15109139 has 2 divisors, whose sum is σ = 15109140. Its totient is φ = 15109138.

The previous prime is 15109109. The next prime is 15109163. The reversal of 15109139 is 93190151.

It is a strong prime.

It is an emirp because it is prime and its reverse (93190151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15109139 - 2¹⁶ = 15043603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15109109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7554569 + 7554570.

It is an arithmetic number, because the mean of its divisors is an integer number (7554570).

Almost surely, 2^15109139 is an apocalyptic number.

15109139 is a deficient number, since it is larger than the sum of its proper divisors (1).

15109139 is an equidigital number, since it uses as much as digits as its factorization.

15109139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215, while the sum is 29.

The square root of 15109139 is about 3887.0475942545. The cubic root of 15109139 is about 247.2178957642.

The spelling of 15109139 in words is "fifteen million, one hundred nine thousand, one hundred thirty-nine".