135456654531 has 32 divisors (see below), whose sum is σ = 208880510976. Its totient is φ = 77299488000.

The previous prime is 135456654521. The next prime is 135456654547.

135456654531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 135456654531 - 2¹⁷ = 135456523459 is a prime.

It is a super-2 number, since 2×135456654531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135456654511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1751490 + ... + 1827191.

It is an arithmetic number, because the mean of its divisors is an integer number (6527515968).

Almost surely, 2^135456654531 is an apocalyptic number.

135456654531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135456654531 is a deficient number, since it is larger than the sum of its proper divisors (73423856445).

135456654531 is a wasteful number, since it uses less digits than its factorization.

135456654531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578763.

The product of its digits is 3240000, while the sum is 48.

It can be divided in two parts, 135456 and 654531, that added together give a palindrome (789987).

The spelling of 135456654531 in words is "one hundred thirty-five billion, four hundred fifty-six million, six hundred fifty-four thousand, five hundred thirty-one".