134746431 has 4 divisors (see below), whose sum is σ = 179661912. Its totient is φ = 89830952.

The previous prime is 134746421. The next prime is 134746439. The reversal of 134746431 is 134647431.

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 134746431 - 2⁷ = 134746303 is a prime.

It is a super-2 number, since 2×134746431² = 36313201334475522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134746392 and 134746401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134746439) 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, 22457736 + ... + 22457741.

It is an arithmetic number, because the mean of its divisors is an integer number (44915478).

Almost surely, 2^134746431 is an apocalyptic number.

134746431 is a deficient number, since it is larger than the sum of its proper divisors (44915481).

134746431 is an equidigital number, since it uses as much as digits as its factorization.

134746431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44915480.

The product of its digits is 24192, while the sum is 33.

The square root of 134746431 is about 11608.0330375133. The cubic root of 134746431 is about 512.6713998194.

The spelling of 134746431 in words is "one hundred thirty-four million, seven hundred forty-six thousand, four hundred thirty-one".