15138159464 has 32 divisors (see below), whose sum is σ = 28462069440. Its totient is φ = 7548307200.

The previous prime is 15138159451. The next prime is 15138159559. The reversal of 15138159464 is 46495183151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7838579 + ... + 7840509.

It is an arithmetic number, because the mean of its divisors is an integer number (889439670).

Almost surely, 2^15138159464 is an apocalyptic number.

It is an amenable number.

15138159464 is a deficient number, since it is larger than the sum of its proper divisors (13323909976).

15138159464 is a wasteful number, since it uses less digits than its factorization.

15138159464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121 (or 4117 counting only the distinct ones).

The product of its digits is 518400, while the sum is 47.

The spelling of 15138159464 in words is "fifteen billion, one hundred thirty-eight million, one hundred fifty-nine thousand, four hundred sixty-four".