15239133642 has 32 divisors (see below), whose sum is σ = 32957736192. Its totient is φ = 4679181824.

The previous prime is 15239133641. The next prime is 15239133647. The reversal of 15239133642 is 24633193251.

15239133642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 15239133642.

It is not an unprimeable number, because it can be changed into a prime (15239133641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1584603 + ... + 1594190.

It is an arithmetic number, because the mean of its divisors is an integer number (1029929256).

Almost surely, 2^15239133642 is an apocalyptic number.

15239133642 is an abundant number, since it is smaller than the sum of its proper divisors (17718602550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15239133642 is a wasteful number, since it uses less digits than its factorization.

15239133642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178862.

The product of its digits is 116640, while the sum is 39.

The spelling of 15239133642 in words is "fifteen billion, two hundred thirty-nine million, one hundred thirty-three thousand, six hundred forty-two".