134132431 has 4 divisors (see below), whose sum is σ = 142022592. Its totient is φ = 126242272.

The previous prime is 134132423. The next prime is 134132461. The reversal of 134132431 is 134231431.

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

It is not a de Polignac number, because 134132431 - 2³ = 134132423 is a prime.

It is a super-2 number, since 2×134132431² = 35983018091939522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134132461) 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, 3945055 + ... + 3945088.

It is an arithmetic number, because the mean of its divisors is an integer number (35505648).

Almost surely, 2^134132431 is an apocalyptic number.

134132431 is a deficient number, since it is larger than the sum of its proper divisors (7890161).

134132431 is an equidigital number, since it uses as much as digits as its factorization.

134132431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7890160.

The product of its digits is 864, while the sum is 22.

The square root of 134132431 is about 11581.5556381688. Note that the first 3 decimals coincide. The cubic root of 134132431 is about 511.8915162716.

Adding to 134132431 its reverse (134231431), we get a palindrome (268363862).

The spelling of 134132431 in words is "one hundred thirty-four million, one hundred thirty-two thousand, four hundred thirty-one".