135607813 has 8 divisors (see below), whose sum is σ = 148056480. Its totient is φ = 123179280.

The previous prime is 135607729. The next prime is 135607891. The reversal of 135607813 is 318706531.

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 135607813 - 2⁹ = 135607301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135607013) 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, 11406 + ... + 20032.

It is an arithmetic number, because the mean of its divisors is an integer number (18507060).

Almost surely, 2^135607813 is an apocalyptic number.

It is an amenable number.

135607813 is a deficient number, since it is larger than the sum of its proper divisors (12448667).

135607813 is a wasteful number, since it uses less digits than its factorization.

135607813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 135607813 is about 11645.0767708934. The cubic root of 135607813 is about 513.7615170981.

The spelling of 135607813 in words is "one hundred thirty-five million, six hundred seven thousand, eight hundred thirteen".