139423033279 has 2 divisors, whose sum is σ = 139423033280. Its totient is φ = 139423033278.

The previous prime is 139423033271. The next prime is 139423033301. The reversal of 139423033279 is 972330324931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139423033279 - 2³ = 139423033271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139423033271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69711516639 + 69711516640.

It is an arithmetic number, because the mean of its divisors is an integer number (69711516640).

Almost surely, 2^139423033279 is an apocalyptic number.

139423033279 is a deficient number, since it is larger than the sum of its proper divisors (1).

139423033279 is an equidigital number, since it uses as much as digits as its factorization.

139423033279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 46.

The spelling of 139423033279 in words is "one hundred thirty-nine billion, four hundred twenty-three million, thirty-three thousand, two hundred seventy-nine".