15373139 has 4 divisors (see below), whose sum is σ = 15431856. Its totient is φ = 15314424.

The previous prime is 15373097. The next prime is 15373153. The reversal of 15373139 is 93137351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93137351 = 181 ⋅514571.

It is a cyclic number.

It is not a de Polignac number, because 15373139 - 2⁸ = 15372883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15373199) 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 in 3 ways as a sum of consecutive naturals, for example, 28964 + ... + 29489.

It is an arithmetic number, because the mean of its divisors is an integer number (3857964).

Almost surely, 2^15373139 is an apocalyptic number.

15373139 is a deficient number, since it is larger than the sum of its proper divisors (58717).

15373139 is an equidigital number, since it uses as much as digits as its factorization.

15373139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58716.

The product of its digits is 8505, while the sum is 32.

The square root of 15373139 is about 3920.8594721056. The cubic root of 15373139 is about 248.6494586231.

The spelling of 15373139 in words is "fifteen million, three hundred seventy-three thousand, one hundred thirty-nine".