134142424431 has 4 divisors (see below), whose sum is σ = 178856565912. Its totient is φ = 89428282952.

The previous prime is 134142424421. The next prime is 134142424469. The reversal of 134142424431 is 134424241431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134142424431 - 2⁷ = 134142424303 is a prime.

It is a super-2 number, since 2×134142424431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134142424392 and 134142424401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134142424421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22357070736 + ... + 22357070741.

It is an arithmetic number, because the mean of its divisors is an integer number (44714141478).

Almost surely, 2^134142424431 is an apocalyptic number.

134142424431 is a deficient number, since it is larger than the sum of its proper divisors (44714141481).

134142424431 is an equidigital number, since it uses as much as digits as its factorization.

134142424431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44714141480.

The product of its digits is 36864, while the sum is 33.

Adding to 134142424431 its reverse (134424241431), we get a palindrome (268566665862).

The spelling of 134142424431 in words is "one hundred thirty-four billion, one hundred forty-two million, four hundred twenty-four thousand, four hundred thirty-one".