135235519 has 2 divisors, whose sum is σ = 135235520. Its totient is φ = 135235518.

The previous prime is 135235511. The next prime is 135235523. The reversal of 135235519 is 915532531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135235519 - 2³ = 135235511 is a prime.

It is a super-2 number, since 2×135235519² = 36577291198398722, which contains 22 as substring.

It is equal to p_7658071 and since 135235519 and 7658071 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135235511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67617759 + 67617760.

It is an arithmetic number, because the mean of its divisors is an integer number (67617760).

Almost surely, 2^135235519 is an apocalyptic number.

135235519 is a deficient number, since it is larger than the sum of its proper divisors (1).

135235519 is an equidigital number, since it uses as much as digits as its factorization.

135235519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20250, while the sum is 34.

The square root of 135235519 is about 11629.0807461295. The cubic root of 135235519 is about 513.2909305598.

The spelling of 135235519 in words is "one hundred thirty-five million, two hundred thirty-five thousand, five hundred nineteen".