130739904978 has 16 divisors (see below), whose sum is σ = 261939359520. Its totient is φ = 43503376736.

The previous prime is 130739904973. The next prime is 130739904979. The reversal of 130739904978 is 879409937031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (130739904973) 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, 19144200 + ... + 19151027.

It is an arithmetic number, because the mean of its divisors is an integer number (16371209970).

Almost surely, 2^130739904978 is an apocalyptic number.

130739904978 is an abundant number, since it is smaller than the sum of its proper divisors (131199454542).

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

130739904978 is a wasteful number, since it uses less digits than its factorization.

130739904978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38295801.

The product of its (nonzero) digits is 10287648, while the sum is 60.

The spelling of 130739904978 in words is "one hundred thirty billion, seven hundred thirty-nine million, nine hundred four thousand, nine hundred seventy-eight".