135513325 has 12 divisors (see below), whose sum is σ = 168783840. Its totient is φ = 107928560.

The previous prime is 135513311. The next prime is 135513359. The reversal of 135513325 is 523315531.

It is not a de Polignac number, because 135513325 - 2⁹ = 135512813 is a prime.

It is a super-2 number, since 2×135513325² = 36727722505111250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135513293 and 135513302.

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 11 ways as a sum of consecutive naturals, for example, 6265 + ... + 17614.

It is an arithmetic number, because the mean of its divisors is an integer number (14065320).

Almost surely, 2^135513325 is an apocalyptic number.

It is an amenable number.

135513325 is a deficient number, since it is larger than the sum of its proper divisors (33270515).

135513325 is a wasteful number, since it uses less digits than its factorization.

135513325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24116 (or 24111 counting only the distinct ones).

The product of its digits is 6750, while the sum is 28.

The square root of 135513325 is about 11641.0190705110. The cubic root of 135513325 is about 513.6421641485.

Adding to 135513325 its reverse (523315531), we get a palindrome (658828856).

The spelling of 135513325 in words is "one hundred thirty-five million, five hundred thirteen thousand, three hundred twenty-five".