134431023342 has 64 divisors (see below), whose sum is σ = 352847001600. Its totient is φ = 33079402080.

The previous prime is 134431023271. The next prime is 134431023347. The reversal of 134431023342 is 243320134431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134431023347) 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, 7648492 + ... + 7666047.

It is an arithmetic number, because the mean of its divisors is an integer number (5513234400).

Almost surely, 2^134431023342 is an apocalyptic number.

134431023342 is an abundant number, since it is smaller than the sum of its proper divisors (218415978258).

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

134431023342 is a wasteful number, since it uses less digits than its factorization.

134431023342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15314581.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 134431023342 its reverse (243320134431), we get a palindrome (377751157773).

The spelling of 134431023342 in words is "one hundred thirty-four billion, four hundred thirty-one million, twenty-three thousand, three hundred forty-two".