139456740002 has 8 divisors (see below), whose sum is σ = 211256250012. Its totient is φ = 69037990000.

The previous prime is 139456739993. The next prime is 139456740041. The reversal of 139456740002 is 200047654931.

It can be written as a sum of positive squares in 2 ways, for example, as 97681876681 + 41774863321 = 312541^2 + 204389^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345189749 + ... + 345190152.

Almost surely, 2^139456740002 is an apocalyptic number.

139456740002 is a deficient number, since it is larger than the sum of its proper divisors (71799510010).

139456740002 is a wasteful number, since it uses less digits than its factorization.

139456740002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690380004.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 139456740002 in words is "one hundred thirty-nine billion, four hundred fifty-six million, seven hundred forty thousand, two".