15163139 has 2 divisors, whose sum is σ = 15163140. Its totient is φ = 15163138.

The previous prime is 15163117. The next prime is 15163147. The reversal of 15163139 is 93136151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15163139 - 2¹² = 15159043 is a prime.

It is not a weakly prime, because it can be changed into another prime (15163199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7581569 + 7581570.

It is an arithmetic number, because the mean of its divisors is an integer number (7581570).

Almost surely, 2^15163139 is an apocalyptic number.

15163139 is a deficient number, since it is larger than the sum of its proper divisors (1).

15163139 is an equidigital number, since it uses as much as digits as its factorization.

15163139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2430, while the sum is 29.

The square root of 15163139 is about 3893.9875449210. The cubic root of 15163139 is about 247.5120641672.

The spelling of 15163139 in words is "fifteen million, one hundred sixty-three thousand, one hundred thirty-nine".