139405062326399 has 4 divisors (see below), whose sum is σ = 139434147468336. Its totient is φ = 139375977184464.

The previous prime is 139405062326339. The next prime is 139405062326449. The reversal of 139405062326399 is 993623260504931.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 139405062326399 - 2³² = 139400767359103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139405062326339) 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, 14542563779 + ... + 14542573364.

It is an arithmetic number, because the mean of its divisors is an integer number (34858536867084).

Almost surely, 2^{139405062326399} is an apocalyptic number.

139405062326399 is a deficient number, since it is larger than the sum of its proper divisors (29085141937).

139405062326399 is an equidigital number, since it uses as much as digits as its factorization.

139405062326399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29085141936.

The product of its (nonzero) digits is 56687040, while the sum is 62.

The spelling of 139405062326399 in words is "one hundred thirty-nine trillion, four hundred five billion, sixty-two million, three hundred twenty-six thousand, three hundred ninety-nine".