135633913 has 8 divisors (see below), whose sum is σ = 142973600. Its totient is φ = 128314368.

The previous prime is 135633889. The next prime is 135633917. The reversal of 135633913 is 319336531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135633913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135633917) 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, 9970 + ... + 19252.

It is an arithmetic number, because the mean of its divisors is an integer number (17871700).

Almost surely, 2^135633913 is an apocalyptic number.

It is an amenable number.

135633913 is a deficient number, since it is larger than the sum of its proper divisors (7339687).

135633913 is an equidigital number, since it uses as much as digits as its factorization.

135633913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10071.

The product of its digits is 21870, while the sum is 34.

The square root of 135633913 is about 11646.1973622294. The cubic root of 135633913 is about 513.7944756597.

The spelling of 135633913 in words is "one hundred thirty-five million, six hundred thirty-three thousand, nine hundred thirteen".