15135906239 has 8 divisors (see below), whose sum is σ = 15663653808. Its totient is φ = 14614404480.

The previous prime is 15135906221. The next prime is 15135906241. The reversal of 15135906239 is 93260953151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15135906239 - 2²⁰ = 15134857663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15135906239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15135900239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556522 + ... + 1566215.

It is an arithmetic number, because the mean of its divisors is an integer number (1957956726).

Almost surely, 2^15135906239 is an apocalyptic number.

15135906239 is a deficient number, since it is larger than the sum of its proper divisors (527747569).

15135906239 is a wasteful number, since it uses less digits than its factorization.

15135906239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122905.

The product of its (nonzero) digits is 218700, while the sum is 44.

The spelling of 15135906239 in words is "fifteen billion, one hundred thirty-five million, nine hundred six thousand, two hundred thirty-nine".