130636645 has 16 divisors (see below), whose sum is σ = 158699520. Its totient is φ = 103227264.

The previous prime is 130636637. The next prime is 130636661. The reversal of 130636645 is 546636031.

It is a cyclic number.

It is not a de Polignac number, because 130636645 - 2³ = 130636637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130636645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259464 + ... + 259966.

It is an arithmetic number, because the mean of its divisors is an integer number (9918720).

Almost surely, 2^130636645 is an apocalyptic number.

It is an amenable number.

130636645 is a deficient number, since it is larger than the sum of its proper divisors (28062875).

130636645 is a wasteful number, since it uses less digits than its factorization.

130636645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 130636645 is about 11429.6388831844. The cubic root of 130636645 is about 507.4053080304.

The spelling of 130636645 in words is "one hundred thirty million, six hundred thirty-six thousand, six hundred forty-five".