135464464531 has 32 divisors (see below), whose sum is σ = 150133948416. Its totient is φ = 121205700000.

The previous prime is 135464464451. The next prime is 135464464543.

135464464531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 135464464531 - 2⁷ = 135464464403 is a prime.

It is a super-2 number, since 2×135464464531² (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 (135464464591) 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, 180378406 + ... + 180379156.

It is an arithmetic number, because the mean of its divisors is an integer number (4691685888).

Almost surely, 2^135464464531 is an apocalyptic number.

135464464531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135464464531 is a deficient number, since it is larger than the sum of its proper divisors (14669483885).

135464464531 is a wasteful number, since it uses less digits than its factorization.

135464464531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663.

The product of its digits is 2073600, while the sum is 46.

It can be divided in two parts, 135464 and 464531, that added together give a palindrome (599995).

The spelling of 135464464531 in words is "one hundred thirty-five billion, four hundred sixty-four million, four hundred sixty-four thousand, five hundred thirty-one".