134431519 has 2 divisors, whose sum is σ = 134431520. Its totient is φ = 134431518.

The previous prime is 134431511. The next prime is 134431523. The reversal of 134431519 is 915134431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134431519 - 2³ = 134431511 is a prime.

It is a super-2 number, since 2×134431519² = 36143666601294722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134431511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67215759 + 67215760.

It is an arithmetic number, because the mean of its divisors is an integer number (67215760).

Almost surely, 2^134431519 is an apocalyptic number.

134431519 is a deficient number, since it is larger than the sum of its proper divisors (1).

134431519 is an equidigital number, since it uses as much as digits as its factorization.

134431519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 134431519 is about 11594.4607032841. The cubic root of 134431519 is about 512.2717051020.

The spelling of 134431519 in words is "one hundred thirty-four million, four hundred thirty-one thousand, five hundred nineteen".