135362635531 has 4 divisors (see below), whose sum is σ = 135363450600. Its totient is φ = 135361820464.

The previous prime is 135362635487. The next prime is 135362635549. The reversal of 135362635531 is 135536263531.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135362635531 is a prime.

It is a super-2 number, since 2×135362635531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135362635631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59146 + ... + 523663.

It is an arithmetic number, because the mean of its divisors is an integer number (33840862650).

Almost surely, 2^135362635531 is an apocalyptic number.

135362635531 is a deficient number, since it is larger than the sum of its proper divisors (815069).

135362635531 is an equidigital number, since it uses as much as digits as its factorization.

135362635531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815068.

The product of its digits is 729000, while the sum is 43.

The spelling of 135362635531 in words is "one hundred thirty-five billion, three hundred sixty-two million, six hundred thirty-five thousand, five hundred thirty-one".