135513446 has 16 divisors (see below), whose sum is σ = 208565280. Its totient is φ = 65997120.

The previous prime is 135513437. The next prime is 135513449. The reversal of 135513446 is 644315531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135513449) 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, 78440 + ... + 80148.

It is an arithmetic number, because the mean of its divisors is an integer number (13035330).

Almost surely, 2^135513446 is an apocalyptic number.

135513446 is a deficient number, since it is larger than the sum of its proper divisors (73051834).

135513446 is a wasteful number, since it uses less digits than its factorization.

135513446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719.

The product of its digits is 21600, while the sum is 32.

The square root of 135513446 is about 11641.0242676493. The cubic root of 135513446 is about 513.6423170257.

Adding to 135513446 its reverse (644315531), we get a palindrome (779828977).

The spelling of 135513446 in words is "one hundred thirty-five million, five hundred thirteen thousand, four hundred forty-six".