130397332 has 12 divisors (see below), whose sum is σ = 245748916. Its totient is φ = 60183360.

The previous prime is 130397299. The next prime is 130397339. The reversal of 130397332 is 233793031.

It can be written as a sum of positive squares in 2 ways, for example, as 80892036 + 49505296 = 8994^2 + 7036^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 130397294 and 130397303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130397339) 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, 1253769 + ... + 1253872.

Almost surely, 2^130397332 is an apocalyptic number.

It is an amenable number.

130397332 is a deficient number, since it is larger than the sum of its proper divisors (115351584).

130397332 is a wasteful number, since it uses less digits than its factorization.

130397332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507658 (or 2507656 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 31.

The square root of 130397332 is about 11419.1651183438. The cubic root of 130397332 is about 507.0952803953.

The spelling of 130397332 in words is "one hundred thirty million, three hundred ninety-seven thousand, three hundred thirty-two".