129515752039 has 2 divisors, whose sum is σ = 129515752040. Its totient is φ = 129515752038.

The previous prime is 129515752031. The next prime is 129515752057. The reversal of 129515752039 is 930257515921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129515752039 - 2³ = 129515752031 is a prime.

It is a super-3 number, since 3×129515752039³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 129515751983 and 129515752001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129515752031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64757876019 + 64757876020.

It is an arithmetic number, because the mean of its divisors is an integer number (64757876020).

Almost surely, 2^129515752039 is an apocalyptic number.

129515752039 is a deficient number, since it is larger than the sum of its proper divisors (1).

129515752039 is an equidigital number, since it uses as much as digits as its factorization.

129515752039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 850500, while the sum is 49.

The spelling of 129515752039 in words is "one hundred twenty-nine billion, five hundred fifteen million, seven hundred fifty-two thousand, thirty-nine".