15139794 has 16 divisors (see below), whose sum is σ = 30336768. Its totient is φ = 5037072.

The previous prime is 15139777. The next prime is 15139823. The reversal of 15139794 is 49793151.

It is a happy number.

15139794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1564 + ... + 5720.

It is an arithmetic number, because the mean of its divisors is an integer number (1896048).

Almost surely, 2^15139794 is an apocalyptic number.

15139794 is an abundant number, since it is smaller than the sum of its proper divisors (15196974).

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

15139794 is a wasteful number, since it uses less digits than its factorization.

15139794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4769.

The product of its digits is 34020, while the sum is 39.

The square root of 15139794 is about 3890.9888203386. The cubic root of 15139794 is about 247.3849766512.

The spelling of 15139794 in words is "fifteen million, one hundred thirty-nine thousand, seven hundred ninety-four".