135513518506 has 8 divisors (see below), whose sum is σ = 203276174400. Its totient is φ = 67754793708.

The previous prime is 135513518489. The next prime is 135513518509. The reversal of 135513518506 is 605815315531.

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

It is not an unprimeable number, because it can be changed into a prime (135513518509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895026 + ... + 1035421.

It is an arithmetic number, because the mean of its divisors is an integer number (25409521800).

Almost surely, 2^135513518506 is an apocalyptic number.

135513518506 is a deficient number, since it is larger than the sum of its proper divisors (67762655894).

135513518506 is a wasteful number, since it uses less digits than its factorization.

135513518506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965548.

The product of its (nonzero) digits is 270000, while the sum is 43.

The spelling of 135513518506 in words is "one hundred thirty-five billion, five hundred thirteen million, five hundred eighteen thousand, five hundred six".