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140137 = 433259
BaseRepresentation
bin100010001101101001
321010020021
4202031221
513441022
63000441
71122364
oct421551
9233207
10140137
1196318
1269121
134ba2a
14390db
152b7c7
hex22369

140137 has 4 divisors (see below), whose sum is σ = 143440. Its totient is φ = 136836.

The previous prime is 140123. The next prime is 140143. The reversal of 140137 is 731041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140137 - 27 = 140009 is a prime.

It is a Duffinian number.

140137 is a lucky number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 140137.

It is not an unprimeable number, because it can be changed into a prime (140167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1587 + ... + 1672.

It is an arithmetic number, because the mean of its divisors is an integer number (35860).

2140137 is an apocalyptic number.

It is an amenable number.

140137 is a deficient number, since it is larger than the sum of its proper divisors (3303).

140137 is an equidigital number, since it uses as much as digits as its factorization.

140137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 140137 is about 374.3487678623. The cubic root of 140137 is about 51.9418729179.

Adding to 140137 its reverse (731041), we get a palindrome (871178).

The spelling of 140137 in words is "one hundred forty thousand, one hundred thirty-seven".

Divisors: 1 43 3259 140137