139393272673 has 4 divisors (see below), whose sum is σ = 143889829888. Its totient is φ = 134896715460.

The previous prime is 139393272661. The next prime is 139393272757. The reversal of 139393272673 is 376272393931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139393272673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139393272653) 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 in 3 ways as a sum of consecutive naturals, for example, 2248278561 + ... + 2248278622.

It is an arithmetic number, because the mean of its divisors is an integer number (35972457472).

Almost surely, 2^139393272673 is an apocalyptic number.

It is an amenable number.

139393272673 is a deficient number, since it is larger than the sum of its proper divisors (4496557215).

139393272673 is an equidigital number, since it uses as much as digits as its factorization.

139393272673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496557214.

The product of its digits is 7715736, while the sum is 55.

The spelling of 139393272673 in words is "one hundred thirty-nine billion, three hundred ninety-three million, two hundred seventy-two thousand, six hundred seventy-three".