15131200135 has 8 divisors (see below), whose sum is σ = 18648182016. Its totient is φ = 11777798880.

The previous prime is 15131200111. The next prime is 15131200151. The reversal of 15131200135 is 53100213151.

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

It is not a de Polignac number, because 15131200135 - 2²⁹ = 14594329223 is a prime.

It is a Duffinian number.

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, 40894951 + ... + 40895320.

It is an arithmetic number, because the mean of its divisors is an integer number (2331022752).

Almost surely, 2^15131200135 is an apocalyptic number.

15131200135 is a deficient number, since it is larger than the sum of its proper divisors (3516981881).

15131200135 is an equidigital number, since it uses as much as digits as its factorization.

15131200135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81790313.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 15131200135 its reverse (53100213151), we get a palindrome (68231413286).

The spelling of 15131200135 in words is "fifteen billion, one hundred thirty-one million, two hundred thousand, one hundred thirty-five".