130779737 has 4 divisors (see below), whose sum is σ = 142668816. Its totient is φ = 118890660.

The previous prime is 130779721. The next prime is 130779739. The reversal of 130779737 is 737977031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 737977031 = 11 ⋅67088821.

It is a cyclic number.

It is not a de Polignac number, because 130779737 - 2⁴ = 130779721 is a prime.

It is a Duffinian 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, 5944523 + ... + 5944544.

It is an arithmetic number, because the mean of its divisors is an integer number (35667204).

Almost surely, 2^130779737 is an apocalyptic number.

It is an amenable number.

130779737 is a deficient number, since it is larger than the sum of its proper divisors (11889079).

130779737 is a wasteful number, since it uses less digits than its factorization.

130779737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11889078.

The product of its (nonzero) digits is 194481, while the sum is 44.

The square root of 130779737 is about 11435.8968603254. The cubic root of 130779737 is about 507.5905014655.

The spelling of 130779737 in words is "one hundred thirty million, seven hundred seventy-nine thousand, seven hundred thirty-seven".