130976138 has 8 divisors (see below), whose sum is σ = 198671940. Its totient is φ = 64752160.

The previous prime is 130976137. The next prime is 130976141. The reversal of 130976138 is 831679031.

It can be written as a sum of positive squares in 2 ways, for example, as 109474369 + 21501769 = 10463^2 + 4637^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130976137) 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, 367733 + ... + 368088.

Almost surely, 2^130976138 is an apocalyptic number.

130976138 is a deficient number, since it is larger than the sum of its proper divisors (67695802).

130976138 is an equidigital number, since it uses as much as digits as its factorization.

130976138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735912.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 130976138 is about 11444.4806784755. The cubic root of 130976138 is about 507.8444689927.

The spelling of 130976138 in words is "one hundred thirty million, nine hundred seventy-six thousand, one hundred thirty-eight".