15139307 has 2 divisors, whose sum is σ = 15139308. Its totient is φ = 15139306.

The previous prime is 15139301. The next prime is 15139309. The reversal of 15139307 is 70393151.

It is a strong prime.

It is an emirp because it is prime and its reverse (70393151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15139307 - 2¹⁴ = 15122923 is a prime.

Together with 15139309, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15139307.

It is not a weakly prime, because it can be changed into another prime (15139301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7569653 + 7569654.

It is an arithmetic number, because the mean of its divisors is an integer number (7569654).

Almost surely, 2^15139307 is an apocalyptic number.

15139307 is a deficient number, since it is larger than the sum of its proper divisors (1).

15139307 is an equidigital number, since it uses as much as digits as its factorization.

15139307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 15139307 is about 3890.9262393420. The cubic root of 15139307 is about 247.3823240881.

The spelling of 15139307 in words is "fifteen million, one hundred thirty-nine thousand, three hundred seven".