235785116137 has 2 divisors, whose sum is σ = 235785116138. Its totient is φ = 235785116136.

The previous prime is 235785116123. The next prime is 235785116179. The reversal of 235785116137 is 731611587532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203824257961 + 31960858176 = 451469^2 + 178776^2 .

It is a cyclic number.

It is not a de Polignac number, because 235785116137 - 2²⁷ = 235650898409 is a prime.

It is not a weakly prime, because it can be changed into another prime (235785156137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117892558068 + 117892558069.

It is an arithmetic number, because the mean of its divisors is an integer number (117892558069).

Almost surely, 2^235785116137 is an apocalyptic number.

It is an amenable number.

235785116137 is a deficient number, since it is larger than the sum of its proper divisors (1).

235785116137 is an equidigital number, since it uses as much as digits as its factorization.

235785116137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 49.

The spelling of 235785116137 in words is "two hundred thirty-five billion, seven hundred eighty-five million, one hundred sixteen thousand, one hundred thirty-seven".