136385237039 has 2 divisors, whose sum is σ = 136385237040. Its totient is φ = 136385237038.

The previous prime is 136385237029. The next prime is 136385237059. The reversal of 136385237039 is 930732583631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136385237039 - 2²⁰ = 136384188463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136385237029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68192618519 + 68192618520.

It is an arithmetic number, because the mean of its divisors is an integer number (68192618520).

Almost surely, 2^136385237039 is an apocalyptic number.

136385237039 is a deficient number, since it is larger than the sum of its proper divisors (1).

136385237039 is an equidigital number, since it uses as much as digits as its factorization.

136385237039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 136385237039 in words is "one hundred thirty-six billion, three hundred eighty-five million, two hundred thirty-seven thousand, thirty-nine".