135233913 has 8 divisors (see below), whose sum is σ = 182851776. Its totient is φ = 88886000.

The previous prime is 135233911. The next prime is 135233957. The reversal of 135233913 is 319332531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135233913 - 2¹ = 135233911 is a prime.

It is a super-2 number, since 2×135233913² = 36576422450583138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135233911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317238 + ... + 317663.

It is an arithmetic number, because the mean of its divisors is an integer number (22856472).

Almost surely, 2^135233913 is an apocalyptic number.

It is an amenable number.

135233913 is a deficient number, since it is larger than the sum of its proper divisors (47617863).

135233913 is an equidigital number, since it uses as much as digits as its factorization.

135233913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634975.

The product of its digits is 7290, while the sum is 30.

The square root of 135233913 is about 11629.0116948948. The cubic root of 135233913 is about 513.2888986762.

The spelling of 135233913 in words is "one hundred thirty-five million, two hundred thirty-three thousand, nine hundred thirteen".