15139377 has 24 divisors (see below), whose sum is σ = 24630528. Its totient is φ = 8877600.

The previous prime is 15139357. The next prime is 15139381. The reversal of 15139377 is 77393151.

It is not a de Polignac number, because 15139377 - 2⁸ = 15139121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15139307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 603 + ... + 5535.

It is an arithmetic number, because the mean of its divisors is an integer number (1026272).

Almost surely, 2^15139377 is an apocalyptic number.

It is an amenable number.

15139377 is a deficient number, since it is larger than the sum of its proper divisors (9491151).

15139377 is a wasteful number, since it uses less digits than its factorization.

15139377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4981 (or 4978 counting only the distinct ones).

The product of its digits is 19845, while the sum is 36.

The square root of 15139377 is about 3890.9352346190. The cubic root of 15139377 is about 247.3827053635.

The spelling of 15139377 in words is "fifteen million, one hundred thirty-nine thousand, three hundred seventy-seven".