237237442139 has 2 divisors, whose sum is σ = 237237442140. Its totient is φ = 237237442138.

The previous prime is 237237442073. The next prime is 237237442187. The reversal of 237237442139 is 931244732732.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-237237442139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 237237442093 and 237237442102.

It is not a weakly prime, because it can be changed into another prime (237237444139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118618721069 + 118618721070.

It is an arithmetic number, because the mean of its divisors is an integer number (118618721070).

Almost surely, 2^237237442139 is an apocalyptic number.

237237442139 is a deficient number, since it is larger than the sum of its proper divisors (1).

237237442139 is an equidigital number, since it uses as much as digits as its factorization.

237237442139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 47.

The spelling of 237237442139 in words is "two hundred thirty-seven billion, two hundred thirty-seven million, four hundred forty-two thousand, one hundred thirty-nine".