139717649089 has 4 divisors (see below), whose sum is σ = 140344185856. Its totient is φ = 139091112324.

The previous prime is 139717649081. The next prime is 139717649117. The reversal of 139717649089 is 980946717931.

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 not a de Polignac number, because 139717649089 - 2³ = 139717649081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139717649089.

It is not an unprimeable number, because it can be changed into a prime (139717649081) 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, 313268049 + ... + 313268494.

It is an arithmetic number, because the mean of its divisors is an integer number (35086046464).

Almost surely, 2^139717649089 is an apocalyptic number.

It is an amenable number.

139717649089 is a deficient number, since it is larger than the sum of its proper divisors (626536767).

139717649089 is an equidigital number, since it uses as much as digits as its factorization.

139717649089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626536766.

The product of its (nonzero) digits is 20575296, while the sum is 64.

The spelling of 139717649089 in words is "one hundred thirty-nine billion, seven hundred seventeen million, six hundred forty-nine thousand, eighty-nine".