130621712 has 40 divisors (see below), whose sum is σ = 273315840. Its totient is φ = 60117120.

The previous prime is 130621703. The next prime is 130621723. The reversal of 130621712 is 217126031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101489 + ... + 102767.

It is an arithmetic number, because the mean of its divisors is an integer number (6832896).

Almost surely, 2^130621712 is an apocalyptic number.

It is an amenable number.

130621712 is an abundant number, since it is smaller than the sum of its proper divisors (142694128).

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

130621712 is a wasteful number, since it uses less digits than its factorization.

130621712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791 (or 1785 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 130621712 is about 11428.9856067807. The cubic root of 130621712 is about 507.3859735571.

Adding to 130621712 its reverse (217126031), we get a palindrome (347747743).

The spelling of 130621712 in words is "one hundred thirty million, six hundred twenty-one thousand, seven hundred twelve".