15139000264 has 8 divisors (see below), whose sum is σ = 28385625510. Its totient is φ = 7569500128.

The previous prime is 15139000241. The next prime is 15139000267. The reversal of 15139000264 is 46200093151.

It can be written as a sum of positive squares in only one way, i.e., 14915736900 + 223263364 = 122130^2 + 14942^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (15139000267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 946187509 + ... + 946187524.

Almost surely, 2^15139000264 is an apocalyptic number.

It is an amenable number.

15139000264 is a deficient number, since it is larger than the sum of its proper divisors (13246625246).

15139000264 is a wasteful number, since it uses less digits than its factorization.

15139000264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892375039 (or 1892375035 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 15139000264 in words is "fifteen billion, one hundred thirty-nine million, two hundred sixty-four", and thus it is an aban number.