238294056139 has 4 divisors (see below), whose sum is σ = 238295384080. Its totient is φ = 238292728200.

The previous prime is 238294056137. The next prime is 238294056149. The reversal of 238294056139 is 931650492832.

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 238294056139 - 2¹ = 238294056137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238294056137) 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, 343119 + ... + 770920.

It is an arithmetic number, because the mean of its divisors is an integer number (59573846020).

Almost surely, 2^238294056139 is an apocalyptic number.

238294056139 is a deficient number, since it is larger than the sum of its proper divisors (1327941).

238294056139 is a wasteful number, since it uses less digits than its factorization.

238294056139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327940.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 238294056139 in words is "two hundred thirty-eight billion, two hundred ninety-four million, fifty-six thousand, one hundred thirty-nine".