135513052 has 12 divisors (see below), whose sum is σ = 251097840. Its totient is φ = 63770816.

The previous prime is 135513041. The next prime is 135513067. The reversal of 135513052 is 250315531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996352 + ... + 996487.

It is an arithmetic number, because the mean of its divisors is an integer number (20924820).

Almost surely, 2^135513052 is an apocalyptic number.

It is an amenable number.

135513052 is a deficient number, since it is larger than the sum of its proper divisors (115584788).

135513052 is a wasteful number, since it uses less digits than its factorization.

135513052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992860 (or 1992858 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 135513052 is about 11641.0073447275. The cubic root of 135513052 is about 513.6418192269.

Adding to 135513052 its reverse (250315531), we get a palindrome (385828583).

The spelling of 135513052 in words is "one hundred thirty-five million, five hundred thirteen thousand, fifty-two".