135333931 has 2 divisors, whose sum is σ = 135333932. Its totient is φ = 135333930.

The previous prime is 135333917. The next prime is 135333937. The reversal of 135333931 is 139333531.

It is a strong prime.

It is an emirp because it is prime and its reverse (139333531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135333931 - 2¹⁵ = 135301163 is a prime.

It is a super-2 number, since 2×135333931² = 36630545759825522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135333893 and 135333902.

It is not a weakly prime, because it can be changed into another prime (135333937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67666965 + 67666966.

It is an arithmetic number, because the mean of its divisors is an integer number (67666966).

Almost surely, 2^135333931 is an apocalyptic number.

135333931 is a deficient number, since it is larger than the sum of its proper divisors (1).

135333931 is an equidigital number, since it uses as much as digits as its factorization.

135333931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10935, while the sum is 31.

The square root of 135333931 is about 11633.3112654996. The cubic root of 135333931 is about 513.4154090480.

The spelling of 135333931 in words is "one hundred thirty-five million, three hundred thirty-three thousand, nine hundred thirty-one".