15139017 has 12 divisors (see below), whose sum is σ = 21945924. Its totient is φ = 10056480.

The previous prime is 15139009. The next prime is 15139049. The reversal of 15139017 is 71093151.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11532816 + 3606201 = 3396^2 + 1899^2 .

It is not a de Polignac number, because 15139017 - 2³ = 15139009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15139087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234 + ... + 5507.

It is an arithmetic number, because the mean of its divisors is an integer number (1828827).

Almost surely, 2^15139017 is an apocalyptic number.

It is an amenable number.

15139017 is a deficient number, since it is larger than the sum of its proper divisors (6806907).

15139017 is a wasteful number, since it uses less digits than its factorization.

15139017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040 (or 6037 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 15139017 is about 3890.8889729726. Note that the first 3 decimals coincide. The cubic root of 15139017 is about 247.3807445061.

The spelling of 15139017 in words is "fifteen million, one hundred thirty-nine thousand, seventeen".