135456323654531 has 12 divisors (see below), whose sum is σ = 149889270468000. Its totient is φ = 122315655266640.

The previous prime is 135456323654521. The next prime is 135456323654537.

135456323654531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 135456323654531 - 2³⁰ = 135455249912707 is a prime.

It is a super-2 number, since 2×135456323654531² (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 (135456323654537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3756605291 + ... + 3756641348.

It is an arithmetic number, because the mean of its divisors is an integer number (12490772539000).

Almost surely, 2^{135456323654531} is an apocalyptic number.

135456323654531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135456323654531 is a deficient number, since it is larger than the sum of its proper divisors (14432946813469).

135456323654531 is a wasteful number, since it uses less digits than its factorization.

135456323654531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513246810 (or 7513246799 counting only the distinct ones).

The product of its digits is 58320000, while the sum is 56.

The spelling of 135456323654531 in words is "one hundred thirty-five trillion, four hundred fifty-six billion, three hundred twenty-three million, six hundred fifty-four thousand, five hundred thirty-one".