235145066137 has 2 divisors, whose sum is σ = 235145066138. Its totient is φ = 235145066136.

The previous prime is 235145066081. The next prime is 235145066161. The reversal of 235145066137 is 731660541532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230135116176 + 5009949961 = 479724^2 + 70781^2 .

It is a cyclic number.

It is not a de Polignac number, because 235145066137 - 2²⁷ = 235010848409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 235145066093 and 235145066102.

It is not a weakly prime, because it can be changed into another prime (235145066237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117572533068 + 117572533069.

It is an arithmetic number, because the mean of its divisors is an integer number (117572533069).

Almost surely, 2^235145066137 is an apocalyptic number.

It is an amenable number.

235145066137 is a deficient number, since it is larger than the sum of its proper divisors (1).

235145066137 is an equidigital number, since it uses as much as digits as its factorization.

235145066137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 235145066137 in words is "two hundred thirty-five billion, one hundred forty-five million, sixty-six thousand, one hundred thirty-seven".