130660836 has 12 divisors (see below), whose sum is σ = 304875312. Its totient is φ = 43553608.

The previous prime is 130660763. The next prime is 130660837. The reversal of 130660836 is 638066031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 130660797 and 130660806.

It is not an unprimeable number, because it can be changed into a prime (130660837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5444190 + ... + 5444213.

It is an arithmetic number, because the mean of its divisors is an integer number (25406276).

Almost surely, 2^130660836 is an apocalyptic number.

It is an amenable number.

130660836 is an abundant number, since it is smaller than the sum of its proper divisors (174214476).

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

130660836 is a wasteful number, since it uses less digits than its factorization.

130660836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10888410 (or 10888408 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 130660836 is about 11430.6970916038. The cubic root of 130660836 is about 507.4366261552.

The spelling of 130660836 in words is "one hundred thirty million, six hundred sixty thousand, eight hundred thirty-six".