130636157 has 4 divisors (see below), whose sum is σ = 130669596. Its totient is φ = 130602720.

The previous prime is 130636133. The next prime is 130636189. The reversal of 130636157 is 751636031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35593156 + 95043001 = 5966^2 + 9749^2 .

It is a cyclic number.

It is not a de Polignac number, because 130636157 - 2²⁶ = 63527293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130633157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9944 + ... + 18977.

It is an arithmetic number, because the mean of its divisors is an integer number (32667399).

Almost surely, 2^130636157 is an apocalyptic number.

It is an amenable number.

130636157 is a deficient number, since it is larger than the sum of its proper divisors (33439).

130636157 is an equidigital number, since it uses as much as digits as its factorization.

130636157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33438.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 130636157 is about 11429.6175351584. The cubic root of 130636157 is about 507.4046762167.

The spelling of 130636157 in words is "one hundred thirty million, six hundred thirty-six thousand, one hundred fifty-seven".