135332913 has 4 divisors (see below), whose sum is σ = 180443888. Its totient is φ = 90221940.

The previous prime is 135332909. The next prime is 135332927. The reversal of 135332913 is 319233531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 135332913 - 2² = 135332909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135332213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22555483 + ... + 22555488.

It is an arithmetic number, because the mean of its divisors is an integer number (45110972).

Almost surely, 2^135332913 is an apocalyptic number.

It is an amenable number.

135332913 is a deficient number, since it is larger than the sum of its proper divisors (45110975).

135332913 is an equidigital number, since it uses as much as digits as its factorization.

135332913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45110974.

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

The square root of 135332913 is about 11633.2675117527. The cubic root of 135332913 is about 513.4141217182.

The spelling of 135332913 in words is "one hundred thirty-five million, three hundred thirty-two thousand, nine hundred thirteen".