135443363344531 has 6 divisors (see below), whose sum is σ = 148875763015196. Its totient is φ = 123130330313100.

The previous prime is 135443363344469. The next prime is 135443363344543.

135443363344531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 135443363344531 - 2¹³ = 135443363336339 is a prime.

It is a super-2 number, since 2×135443363344531² (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 (135443363345531) 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, 559683319485 + ... + 559683319726.

Almost surely, 2^{135443363344531} is an apocalyptic number.

135443363344531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135443363344531 is a deficient number, since it is larger than the sum of its proper divisors (13432399670665).

135443363344531 is a wasteful number, since it uses less digits than its factorization.

135443363344531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119366639233 (or 1119366639222 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 52.

The spelling of 135443363344531 in words is "one hundred thirty-five trillion, four hundred forty-three billion, three hundred sixty-three million, three hundred forty-four thousand, five hundred thirty-one".