136709531383 has 2 divisors, whose sum is σ = 136709531384. Its totient is φ = 136709531382.

The previous prime is 136709531353. The next prime is 136709531407. The reversal of 136709531383 is 383135907631.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136709531383 - 2⁹ = 136709530871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136709531323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68354765691 + 68354765692.

It is an arithmetic number, because the mean of its divisors is an integer number (68354765692).

Almost surely, 2^136709531383 is an apocalyptic number.

136709531383 is a deficient number, since it is larger than the sum of its proper divisors (1).

136709531383 is an equidigital number, since it uses as much as digits as its factorization.

136709531383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 136709531383 in words is "one hundred thirty-six billion, seven hundred nine million, five hundred thirty-one thousand, three hundred eighty-three".