15140139271 has 2 divisors, whose sum is σ = 15140139272. Its totient is φ = 15140139270.

The previous prime is 15140139253. The next prime is 15140139283. The reversal of 15140139271 is 17293104151.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15140139271 - 2⁷ = 15140139143 is a prime.

It is a super-2 number, since 2×15140139271² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15140139571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7570069635 + 7570069636.

It is an arithmetic number, because the mean of its divisors is an integer number (7570069636).

Almost surely, 2^15140139271 is an apocalyptic number.

15140139271 is a deficient number, since it is larger than the sum of its proper divisors (1).

15140139271 is an equidigital number, since it uses as much as digits as its factorization.

15140139271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 15140139271 in words is "fifteen billion, one hundred forty million, one hundred thirty-nine thousand, two hundred seventy-one".