15530034139 has 2 divisors, whose sum is σ = 15530034140. Its totient is φ = 15530034138.

The previous prime is 15530034127. The next prime is 15530034197. The reversal of 15530034139 is 93143003551.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15530034139 - 2⁹ = 15530033627 is a prime.

It is not a weakly prime, because it can be changed into another prime (15530034439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7765017069 + 7765017070.

It is an arithmetic number, because the mean of its divisors is an integer number (7765017070).

Almost surely, 2^15530034139 is an apocalyptic number.

15530034139 is a deficient number, since it is larger than the sum of its proper divisors (1).

15530034139 is an equidigital number, since it uses as much as digits as its factorization.

15530034139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 15530034139 in words is "fifteen billion, five hundred thirty million, thirty-four thousand, one hundred thirty-nine".