15234145139 has 2 divisors, whose sum is σ = 15234145140. Its totient is φ = 15234145138.

The previous prime is 15234145133. The next prime is 15234145159. The reversal of 15234145139 is 93154143251.

It is a happy number.

15234145139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15234145139 - 2⁴ = 15234145123 is a prime.

It is a super-2 number, since 2×15234145139² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15234145133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7617072569 + 7617072570.

It is an arithmetic number, because the mean of its divisors is an integer number (7617072570).

Almost surely, 2^15234145139 is an apocalyptic number.

15234145139 is a deficient number, since it is larger than the sum of its proper divisors (1).

15234145139 is an equidigital number, since it uses as much as digits as its factorization.

15234145139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 38.

The spelling of 15234145139 in words is "fifteen billion, two hundred thirty-four million, one hundred forty-five thousand, one hundred thirty-nine".