15142746008138 has 16 divisors (see below), whose sum is σ = 25974290188224. Its totient is φ = 6485924031360.

The previous prime is 15142746008123. The next prime is 15142746008141. The reversal of 15142746008138 is 83180064724151.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318663548 + ... + 318711063.

It is an arithmetic number, because the mean of its divisors is an integer number (1623393136764).

Almost surely, 2^{15142746008138} is an apocalyptic number.

15142746008138 is a deficient number, since it is larger than the sum of its proper divisors (10831544180086).

15142746008138 is a wasteful number, since it uses less digits than its factorization.

15142746008138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637376317.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 15142746008138 in words is "fifteen trillion, one hundred forty-two billion, seven hundred forty-six million, eight thousand, one hundred thirty-eight".