130979145 has 16 divisors (see below), whose sum is σ = 228618432. Its totient is φ = 63504960.

The previous prime is 130979143. The next prime is 130979153. The reversal of 130979145 is 541979031.

It is a happy number.

It is not a de Polignac number, because 130979145 - 2¹ = 130979143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130979143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396742 + ... + 397071.

It is an arithmetic number, because the mean of its divisors is an integer number (14288652).

Almost surely, 2^130979145 is an apocalyptic number.

130979145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130979145 is a deficient number, since it is larger than the sum of its proper divisors (97639287).

130979145 is a wasteful number, since it uses less digits than its factorization.

130979145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793832.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 130979145 is about 11444.6120510920. The cubic root of 130979145 is about 507.8483553918.

The spelling of 130979145 in words is "one hundred thirty million, nine hundred seventy-nine thousand, one hundred forty-five".