135632444236531 has 6 divisors (see below), whose sum is σ = 149083595731196. Its totient is φ = 123302222033100.

The previous prime is 135632444236511. The next prime is 135632444236613.

135632444236531 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-135632444236531 is a prime.

It is a super-2 number, since 2×135632444236531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135632444236511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 560464645485 + ... + 560464645726.

Almost surely, 2^{135632444236531} is an apocalyptic number.

135632444236531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135632444236531 is a deficient number, since it is larger than the sum of its proper divisors (13451151494665).

135632444236531 is a wasteful number, since it uses less digits than its factorization.

135632444236531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120929291233 (or 1120929291222 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 52.

The spelling of 135632444236531 in words is "one hundred thirty-five trillion, six hundred thirty-two billion, four hundred forty-four million, two hundred thirty-six thousand, five hundred thirty-one".