134867431 has 2 divisors, whose sum is σ = 134867432. Its totient is φ = 134867430.

The previous prime is 134867419. The next prime is 134867437. The reversal of 134867431 is 134768431.

134867431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134867431 - 2⁵ = 134867399 is a prime.

It is a super-2 number, since 2×134867431² = 36378447889079522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134867437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67433715 + 67433716.

It is an arithmetic number, because the mean of its divisors is an integer number (67433716).

Almost surely, 2^134867431 is an apocalyptic number.

134867431 is a deficient number, since it is larger than the sum of its proper divisors (1).

134867431 is an equidigital number, since it uses as much as digits as its factorization.

134867431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 134867431 is about 11613.2437759654. The cubic root of 134867431 is about 512.8248106368.

The spelling of 134867431 in words is "one hundred thirty-four million, eight hundred sixty-seven thousand, four hundred thirty-one".