135990319 has 2 divisors, whose sum is σ = 135990320. Its totient is φ = 135990318.

The previous prime is 135990311. The next prime is 135990373. The reversal of 135990319 is 913099531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135990319 - 2³ = 135990311 is a prime.

It is a super-2 number, since 2×135990319² = 36986733723443522, 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 (135990311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67995159 + 67995160.

It is an arithmetic number, because the mean of its divisors is an integer number (67995160).

Almost surely, 2^135990319 is an apocalyptic number.

135990319 is a deficient number, since it is larger than the sum of its proper divisors (1).

135990319 is an equidigital number, since it uses as much as digits as its factorization.

135990319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32805, while the sum is 40.

The square root of 135990319 is about 11661.4887128531. The cubic root of 135990319 is about 514.2441155984.

The spelling of 135990319 in words is "one hundred thirty-five million, nine hundred ninety thousand, three hundred nineteen".