135813337 has 8 divisors (see below), whose sum is σ = 148516992. Its totient is φ = 123169200.

The previous prime is 135813313. The next prime is 135813341. The reversal of 135813337 is 733318531.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-135813337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135813397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10033 + ... + 19294.

It is an arithmetic number, because the mean of its divisors is an integer number (18564624).

Almost surely, 2^135813337 is an apocalyptic number.

It is an amenable number.

135813337 is a deficient number, since it is larger than the sum of its proper divisors (12703655).

135813337 is a wasteful number, since it uses less digits than its factorization.

135813337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29759.

The product of its digits is 22680, while the sum is 34.

The square root of 135813337 is about 11653.8979315935. The cubic root of 135813337 is about 514.0209343621.

The spelling of 135813337 in words is "one hundred thirty-five million, eight hundred thirteen thousand, three hundred thirty-seven".