134323431 has 48 divisors (see below), whose sum is σ = 206445792. Its totient is φ = 77552640.

The previous prime is 134323411. The next prime is 134323459.

134323431 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 134323431 - 2⁷ = 134323303 is a prime.

It is a super-2 number, since 2×134323431² = 36085568231223522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134323411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 980395 + ... + 980531.

It is an arithmetic number, because the mean of its divisors is an integer number (4300954).

Almost surely, 2^134323431 is an apocalyptic number.

134323431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134323431 is a deficient number, since it is larger than the sum of its proper divisors (72122361).

134323431 is a wasteful number, since it uses less digits than its factorization.

134323431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 261 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 134323431 is about 11589.7985746086. The cubic root of 134323431 is about 512.1343730461.

The spelling of 134323431 in words is "one hundred thirty-four million, three hundred twenty-three thousand, four hundred thirty-one".