135431419 has 2 divisors, whose sum is σ = 135431420. Its totient is φ = 135431418.

The previous prime is 135431399. The next prime is 135431423. The reversal of 135431419 is 914134531.

It is a strong prime.

It is an emirp because it is prime and its reverse (914134531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135431419 - 2⁹ = 135430907 is a prime.

It is a super-2 number, since 2×135431419² = 36683338504707122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135438419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67715709 + 67715710.

It is an arithmetic number, because the mean of its divisors is an integer number (67715710).

Almost surely, 2^135431419 is an apocalyptic number.

135431419 is a deficient number, since it is larger than the sum of its proper divisors (1).

135431419 is an equidigital number, since it uses as much as digits as its factorization.

135431419 is an evil number, because the sum of its binary digits is even.

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

The square root of 135431419 is about 11637.5005477981. The cubic root of 135431419 is about 513.5386593113.

The spelling of 135431419 in words is "one hundred thirty-five million, four hundred thirty-one thousand, four hundred nineteen".