134308431 has 24 divisors (see below), whose sum is σ = 204553440. Its totient is φ = 84750336.

The previous prime is 134308417. The next prime is 134308459. The reversal of 134308431 is 134803431.

It is not a de Polignac number, because 134308431 - 2⁹ = 134307919 is a prime.

It is a super-2 number, since 2×134308431² = 36077509275363522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134308395 and 134308404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134308411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16735 + ... + 23423.

It is an arithmetic number, because the mean of its divisors is an integer number (8523060).

Almost surely, 2^134308431 is an apocalyptic number.

134308431 is a deficient number, since it is larger than the sum of its proper divisors (70245009).

134308431 is a wasteful number, since it uses less digits than its factorization.

134308431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6815 (or 6812 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 134308431 is about 11589.1514357178. The cubic root of 134308431 is about 512.1153088577.

The spelling of 134308431 in words is "one hundred thirty-four million, three hundred eight thousand, four hundred thirty-one".