129737790015 has 12 divisors (see below), whose sum is σ = 207582696072. Its totient is φ = 69192744000.

The previous prime is 129737789999. The next prime is 129737790047. The reversal of 129737790015 is 510097737921.

It is not a de Polignac number, because 129737790015 - 2⁴ = 129737789999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129737790015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1348515 + ... + 1441515.

It is an arithmetic number, because the mean of its divisors is an integer number (17298558006).

Almost surely, 2^129737790015 is an apocalyptic number.

129737790015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

129737790015 is a deficient number, since it is larger than the sum of its proper divisors (77844906057).

129737790015 is an frugal number, since it uses more digits than its factorization.

129737790015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186010 (or 93009 counting only the distinct ones).

The product of its (nonzero) digits is 833490, while the sum is 51.

The spelling of 129737790015 in words is "one hundred twenty-nine billion, seven hundred thirty-seven million, seven hundred ninety thousand, fifteen".