130971788 has 24 divisors (see below), whose sum is σ = 241953600. Its totient is φ = 61861968.

The previous prime is 130971787. The next prime is 130971793. The reversal of 130971788 is 887179031.

It is not an unprimeable number, because it can be changed into a prime (130971787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26531 + ... + 31077.

It is an arithmetic number, because the mean of its divisors is an integer number (10081400).

Almost surely, 2^130971788 is an apocalyptic number.

It is an amenable number.

130971788 is a deficient number, since it is larger than the sum of its proper divisors (110981812).

130971788 is a wasteful number, since it uses less digits than its factorization.

130971788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949 (or 4947 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 44.

The square root of 130971788 is about 11444.2906289556. The cubic root of 130971788 is about 507.8388467271.

The spelling of 130971788 in words is "one hundred thirty million, nine hundred seventy-one thousand, seven hundred eighty-eight".