139740178793 has 8 divisors (see below), whose sum is σ = 148146520320. Its totient is φ = 131577499440.

The previous prime is 139740178751. The next prime is 139740178829. The reversal of 139740178793 is 397871047931.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 139740178793 - 2⁶ = 139740178729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139740178733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60914363 + ... + 60916656.

It is an arithmetic number, because the mean of its divisors is an integer number (18518315040).

Almost surely, 2^139740178793 is an apocalyptic number.

It is an amenable number.

139740178793 is a deficient number, since it is larger than the sum of its proper divisors (8406341527).

139740178793 is a wasteful number, since it uses less digits than its factorization.

139740178793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121831087.

The product of its (nonzero) digits is 8001504, while the sum is 59.

The spelling of 139740178793 in words is "one hundred thirty-nine billion, seven hundred forty million, one hundred seventy-eight thousand, seven hundred ninety-three".