15452656139 has 2 divisors, whose sum is σ = 15452656140. Its totient is φ = 15452656138.

The previous prime is 15452656031. The next prime is 15452656151. The reversal of 15452656139 is 93165625451.

It is a strong prime.

It is an emirp because it is prime and its reverse (93165625451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15452656139 - 2²⁸ = 15184220683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15452656093 and 15452656102.

It is not a weakly prime, because it can be changed into another prime (15452656189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7726328069 + 7726328070.

It is an arithmetic number, because the mean of its divisors is an integer number (7726328070).

Almost surely, 2^15452656139 is an apocalyptic number.

15452656139 is a deficient number, since it is larger than the sum of its proper divisors (1).

15452656139 is an equidigital number, since it uses as much as digits as its factorization.

15452656139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972000, while the sum is 47.

The spelling of 15452656139 in words is "fifteen billion, four hundred fifty-two million, six hundred fifty-six thousand, one hundred thirty-nine".