130335988 has 24 divisors (see below), whose sum is σ = 230702472. Its totient is φ = 64425984.

The previous prime is 130335983. The next prime is 130336039. The reversal of 130335988 is 889533031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 71537764 + 58798224 = 8458^2 + 7668^2 .

It is a super-2 number, since 2×130335988² = 33974939535872288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130335988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130335983) 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, 151656 + ... + 152512.

It is an arithmetic number, because the mean of its divisors is an integer number (9612603).

Almost surely, 2^130335988 is an apocalyptic number.

It is an amenable number.

130335988 is a deficient number, since it is larger than the sum of its proper divisors (100366484).

130335988 is a wasteful number, since it uses less digits than its factorization.

130335988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 130335988 is about 11416.4787916415. The cubic root of 130335988 is about 507.0157487778.

The spelling of 130335988 in words is "one hundred thirty million, three hundred thirty-five thousand, nine hundred eighty-eight".