15234139 has 2 divisors, whose sum is σ = 15234140. Its totient is φ = 15234138.

The previous prime is 15234127. The next prime is 15234179. The reversal of 15234139 is 93143251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15234139 - 2⁹ = 15233627 is a prime.

It is not a weakly prime, because it can be changed into another prime (15234179) 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, 7617069 + 7617070.

It is an arithmetic number, because the mean of its divisors is an integer number (7617070).

Almost surely, 2^15234139 is an apocalyptic number.

15234139 is a deficient number, since it is larger than the sum of its proper divisors (1).

15234139 is an equidigital number, since it uses as much as digits as its factorization.

15234139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 28.

The square root of 15234139 is about 3903.0935166865. The cubic root of 15234139 is about 247.8977802371.

The spelling of 15234139 in words is "fifteen million, two hundred thirty-four thousand, one hundred thirty-nine".