15135942 has 8 divisors (see below), whose sum is σ = 30271896. Its totient is φ = 5045312.

The previous prime is 15135931. The next prime is 15135947. The reversal of 15135942 is 24953151.

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

15135942 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15135947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261323 + ... + 1261334.

It is an arithmetic number, because the mean of its divisors is an integer number (3783987).

Almost surely, 2^15135942 is an apocalyptic number.

15135942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15135942 is a wasteful number, since it uses less digits than its factorization.

15135942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522662.

The product of its digits is 5400, while the sum is 30.

The square root of 15135942 is about 3890.4937989926. The cubic root of 15135942 is about 247.3639942486.

The spelling of 15135942 in words is "fifteen million, one hundred thirty-five thousand, nine hundred forty-two".