139392711127 has 4 divisors (see below), whose sum is σ = 143160081736. Its totient is φ = 135625340520.

The previous prime is 139392711121. The next prime is 139392711137. The reversal of 139392711127 is 721117293931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 139392711127 - 2²⁷ = 139258493399 is a prime.

It is a super-2 number, since 2×139392711127² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139392711121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883685249 + ... + 1883685322.

It is an arithmetic number, because the mean of its divisors is an integer number (35790020434).

Almost surely, 2^139392711127 is an apocalyptic number.

139392711127 is a deficient number, since it is larger than the sum of its proper divisors (3767370609).

139392711127 is an equidigital number, since it uses as much as digits as its factorization.

139392711127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767370608.

The product of its digits is 142884, while the sum is 46.

The spelling of 139392711127 in words is "one hundred thirty-nine billion, three hundred ninety-two million, seven hundred eleven thousand, one hundred twenty-seven".