15328731142 has 16 divisors (see below), whose sum is σ = 23113242432. Its totient is φ = 7624393000.

The previous prime is 15328731127. The next prime is 15328731151. The reversal of 15328731142 is 24113782351.

It is a congruent number.

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, 396693 + ... + 433615.

It is an arithmetic number, because the mean of its divisors is an integer number (1444577652).

Almost surely, 2^15328731142 is an apocalyptic number.

15328731142 is a deficient number, since it is larger than the sum of its proper divisors (7784511290).

15328731142 is a wasteful number, since it uses less digits than its factorization.

15328731142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38003.

The product of its digits is 40320, while the sum is 37.

The spelling of 15328731142 in words is "fifteen billion, three hundred twenty-eight million, seven hundred thirty-one thousand, one hundred forty-two".