15135474 has 16 divisors (see below), whose sum is σ = 32051808. Its totient is φ = 4748352.

The previous prime is 15135469. The next prime is 15135481. The reversal of 15135474 is 47453151.

It is a Curzon 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, 74092 + ... + 74295.

It is an arithmetic number, because the mean of its divisors is an integer number (2003238).

Almost surely, 2^15135474 is an apocalyptic number.

15135474 is an abundant number, since it is smaller than the sum of its proper divisors (16916334).

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

15135474 is a wasteful number, since it uses less digits than its factorization.

15135474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148409.

The product of its digits is 8400, while the sum is 30.

The square root of 15135474 is about 3890.4336519211. The cubic root of 15135474 is about 247.3614447422.

The spelling of 15135474 in words is "fifteen million, one hundred thirty-five thousand, four hundred seventy-four".