130156065 has 80 divisors (see below), whose sum is σ = 256132800. Its totient is φ = 62840448.

The previous prime is 130156051. The next prime is 130156067. The reversal of 130156065 is 560651031.

It is a happy number.

It is not a de Polignac number, because 130156065 - 2⁶ = 130156001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (130156067) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 310426 + ... + 310844.

It is an arithmetic number, because the mean of its divisors is an integer number (3201660).

Almost surely, 2^130156065 is an apocalyptic number.

130156065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130156065 is a deficient number, since it is larger than the sum of its proper divisors (125976735).

130156065 is a wasteful number, since it uses less digits than its factorization.

130156065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 130156065 is about 11408.5961011862. The cubic root of 130156065 is about 506.7823371546.

The spelling of 130156065 in words is "one hundred thirty million, one hundred fifty-six thousand, sixty-five".