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140130 = 2345173
BaseRepresentation
bin100010001101100010
321010020000
4202031202
513441010
63000430
71122354
oct421542
9233200
10140130
1196311
1269116
134ba23
14390d4
152b7c0
hex22362

140130 has 40 divisors (see below), whose sum is σ = 378972. Its totient is φ = 37152.

The previous prime is 140123. The next prime is 140143. The reversal of 140130 is 31041.

It can be written as a sum of positive squares in 2 ways, for example, as 136161 + 3969 = 369^2 + 63^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is a nialpdrome in base 11.

It is an unprimeable number.

140130 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 724 + ... + 896.

2140130 is an apocalyptic number.

140130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189486).

140130 is an abundant number, since it is smaller than the sum of its proper divisors (238842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140130 is a wasteful number, since it uses less digits than its factorization.

140130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 140130 is about 374.3394181755. The cubic root of 140130 is about 51.9410080520.

Adding to 140130 its reverse (31041), we get a palindrome (171171).

It can be divided in two parts, 1401 and 30, that added together give a triangular number (1431 = T53).

The spelling of 140130 in words is "one hundred forty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 173 270 346 405 519 810 865 1038 1557 1730 2595 3114 4671 5190 7785 9342 14013 15570 23355 28026 46710 70065 140130