134073431 has 2 divisors, whose sum is σ = 134073432. Its totient is φ = 134073430.

The previous prime is 134073421. The next prime is 134073437. The reversal of 134073431 is 134370431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134073431 - 2¹⁸ = 133811287 is a prime.

It is a super-2 number, since 2×134073431² = 35951369800223522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134073431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134073437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67036715 + 67036716.

It is an arithmetic number, because the mean of its divisors is an integer number (67036716).

Almost surely, 2^134073431 is an apocalyptic number.

134073431 is a deficient number, since it is larger than the sum of its proper divisors (1).

134073431 is an equidigital number, since it uses as much as digits as its factorization.

134073431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 134073431 is about 11579.0082045053. The cubic root of 134073431 is about 511.8164510829.

The spelling of 134073431 in words is "one hundred thirty-four million, seventy-three thousand, four hundred thirty-one".