136133837531 has 2 divisors, whose sum is σ = 136133837532. Its totient is φ = 136133837530.

The previous prime is 136133837473. The next prime is 136133837533. The reversal of 136133837531 is 135738331631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136133837531 - 2³⁴ = 118953968347 is a prime.

It is a super-2 number, since 2×136133837531² (a number of 23 digits) contains 22 as substring.

Together with 136133837533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136133837533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68066918765 + 68066918766.

It is an arithmetic number, because the mean of its divisors is an integer number (68066918766).

Almost surely, 2^136133837531 is an apocalyptic number.

136133837531 is a deficient number, since it is larger than the sum of its proper divisors (1).

136133837531 is an equidigital number, since it uses as much as digits as its factorization.

136133837531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 44.

The spelling of 136133837531 in words is "one hundred thirty-six billion, one hundred thirty-three million, eight hundred thirty-seven thousand, five hundred thirty-one".