130779736 has 16 divisors (see below), whose sum is σ = 258118200. Its totient is φ = 61948224.

The previous prime is 130779721. The next prime is 130779739. The reversal of 130779736 is 637977031.

It is a junction number, because it is equal to n+sod(n) for n = 130779692 and 130779701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130779739) 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, 430045 + ... + 430348.

Almost surely, 2^130779736 is an apocalyptic number.

It is an amenable number.

130779736 is a deficient number, since it is larger than the sum of its proper divisors (127338464).

130779736 is a wasteful number, since it uses less digits than its factorization.

130779736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860418 (or 860414 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 43.

The square root of 130779736 is about 11435.8968166034. The cubic root of 130779736 is about 507.5905001717.

The spelling of 130779736 in words is "one hundred thirty million, seven hundred seventy-nine thousand, seven hundred thirty-six".