135431402431024 has 80 divisors (see below), whose sum is σ = 300618025054272. Its totient is φ = 57900088157184.

The previous prime is 135431402430971. The next prime is 135431402431027. The reversal of 135431402431024 is 420134204134531.

It is not an unprimeable number, because it can be changed into a prime (135431402431027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79090542 + ... + 80784754.

Almost surely, 2^{135431402431024} is an apocalyptic number.

135431402431024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

135431402431024 is an abundant number, since it is smaller than the sum of its proper divisors (165186622623248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135431402431024 is a wasteful number, since it uses less digits than its factorization.

135431402431024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695974 (or 1695968 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 135431402431024 its reverse (420134204134531), we get a palindrome (555565606565555).

The spelling of 135431402431024 in words is "one hundred thirty-five trillion, four hundred thirty-one billion, four hundred two million, four hundred thirty-one thousand, twenty-four".