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130158 = 23271033
BaseRepresentation
bin11111110001101110
320121112200
4133301232
513131113
62442330
71051320
oct376156
9217480
10130158
1189876
12633a6
1347322
1435610
1528873
hex1fc6e

130158 has 24 divisors (see below), whose sum is σ = 322608. Its totient is φ = 37152.

The previous prime is 130147. The next prime is 130171. The reversal of 130158 is 851031.

It is a happy number.

130158 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is a super-2 number, since 2×1301582 = 33882209928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 130158.

It is a congruent number.

It is an unprimeable number.

130158 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391 + ... + 642.

It is an arithmetic number, because the mean of its divisors is an integer number (13442).

2130158 is an apocalyptic number.

130158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

130158 is an abundant number, since it is smaller than the sum of its proper divisors (192450).

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

130158 is a wasteful number, since it uses less digits than its factorization.

130158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 130158 is about 360.7741675896. The cubic root of 130158 is about 50.6784848547.

Adding to 130158 its reverse (851031), we get a palindrome (981189).

The spelling of 130158 in words is "one hundred thirty thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 1033 2066 3099 6198 7231 9297 14462 18594 21693 43386 65079 130158