130279738 has 16 divisors (see below), whose sum is σ = 212509224. Its totient is φ = 59650560.

The previous prime is 130279733. The next prime is 130279753. The reversal of 130279738 is 837972031.

It can be written as a sum of positive squares in 4 ways, for example, as 120626289 + 9653449 = 10983^2 + 3107^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 130279738.

It is not an unprimeable number, because it can be changed into a prime (130279733) 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, 50523 + ... + 53038.

Almost surely, 2^130279738 is an apocalyptic number.

130279738 is a deficient number, since it is larger than the sum of its proper divisors (82229486).

130279738 is a wasteful number, since it uses less digits than its factorization.

130279738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103617.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 130279738 is about 11414.0149815917. The cubic root of 130279738 is about 506.9427995228.

The spelling of 130279738 in words is "one hundred thirty million, two hundred seventy-nine thousand, seven hundred thirty-eight".