130615839 has 24 divisors (see below), whose sum is σ = 191037600. Its totient is φ = 85992192.

The previous prime is 130615829. The next prime is 130615841. The reversal of 130615839 is 938516031.

It is a happy number.

130615839 is a `hidden beast` number, since 1 + 3 + 0 + 615 + 8 + 39 = 666.

It is not a de Polignac number, because 130615839 - 2⁷ = 130615711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130615819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 417147 + ... + 417459.

It is an arithmetic number, because the mean of its divisors is an integer number (7959900).

Almost surely, 2^130615839 is an apocalyptic number.

130615839 is a deficient number, since it is larger than the sum of its proper divisors (60421761).

130615839 is a wasteful number, since it uses less digits than its factorization.

130615839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 130615839 is about 11428.7286694540. The cubic root of 130615839 is about 507.3783690978.

The spelling of 130615839 in words is "one hundred thirty million, six hundred fifteen thousand, eight hundred thirty-nine".