130636564 has 6 divisors (see below), whose sum is σ = 228613994. Its totient is φ = 65318280.

The previous prime is 130636549. The next prime is 130636567. The reversal of 130636564 is 465636031.

It can be written as a sum of positive squares in only one way, i.e., 72114064 + 58522500 = 8492^2 + 7650^2 .

It is a super-3 number, since 3×130636564³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130636567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16329567 + ... + 16329574.

Almost surely, 2^130636564 is an apocalyptic number.

It is an amenable number.

130636564 is a deficient number, since it is larger than the sum of its proper divisors (97977430).

130636564 is a wasteful number, since it uses less digits than its factorization.

130636564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32659145 (or 32659143 counting only the distinct ones).

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

The square root of 130636564 is about 11429.6353397648. The cubic root of 130636564 is about 507.4052031598.

The spelling of 130636564 in words is "one hundred thirty million, six hundred thirty-six thousand, five hundred sixty-four".