139816744761 has 8 divisors (see below), whose sum is σ = 188132623360. Its totient is φ = 92356014672.

The previous prime is 139816744751. The next prime is 139816744777. The reversal of 139816744761 is 167447618931.

139816744761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 139816744761 - 2²⁵ = 139783190329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139816744751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213786745 + ... + 213787398.

It is an arithmetic number, because the mean of its divisors is an integer number (23516577920).

Almost surely, 2^139816744761 is an apocalyptic number.

It is an amenable number.

139816744761 is a deficient number, since it is larger than the sum of its proper divisors (48315878599).

139816744761 is a wasteful number, since it uses less digits than its factorization.

139816744761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427574255.

The product of its digits is 6096384, while the sum is 57.

The spelling of 139816744761 in words is "one hundred thirty-nine billion, eight hundred sixteen million, seven hundred forty-four thousand, seven hundred sixty-one".