134011431 has 6 divisors (see below), whose sum is σ = 193572080. Its totient is φ = 89340948.

The previous prime is 134011421. The next prime is 134011441. The reversal of 134011431 is 134110431.

It is an interprime number because it is at equal distance from previous prime (134011421) and next prime (134011441).

It is not a de Polignac number, because 134011431 - 2⁷ = 134011303 is a prime.

It is a super-2 number, since 2×134011431² = 35918127277335522, 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 (134011421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7445071 + ... + 7445088.

Almost surely, 2^134011431 is an apocalyptic number.

134011431 is a deficient number, since it is larger than the sum of its proper divisors (59560649).

134011431 is a wasteful number, since it uses less digits than its factorization.

134011431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14890165 (or 14890162 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 134011431 is about 11576.3306362595. The cubic root of 134011431 is about 511.7375452863.

Adding to 134011431 its reverse (134110431), we get a palindrome (268121862).

The spelling of 134011431 in words is "one hundred thirty-four million, eleven thousand, four hundred thirty-one".