139187799926 has 8 divisors (see below), whose sum is σ = 238607657040. Its totient is φ = 59651914248.

The previous prime is 139187799923. The next prime is 139187799953. The reversal of 139187799926 is 629997781931.

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

It is a self number, because there is not a number n which added to its sum of digits gives 139187799926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139187799923) 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, 4970992841 + ... + 4970992868.

It is an arithmetic number, because the mean of its divisors is an integer number (29825957130).

Almost surely, 2^139187799926 is an apocalyptic number.

139187799926 is a deficient number, since it is larger than the sum of its proper divisors (99419857114).

139187799926 is an equidigital number, since it uses as much as digits as its factorization.

139187799926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9941985718.

The product of its digits is 92588832, while the sum is 71.

The spelling of 139187799926 in words is "one hundred thirty-nine billion, one hundred eighty-seven million, seven hundred ninety-nine thousand, nine hundred twenty-six".