135425013 has 4 divisors (see below), whose sum is σ = 180566688. Its totient is φ = 90283340.

The previous prime is 135425011. The next prime is 135425033. The reversal of 135425013 is 310524531.

135425013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135425013 - 2¹ = 135425011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135425011) 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, 22570833 + ... + 22570838.

It is an arithmetic number, because the mean of its divisors is an integer number (45141672).

Almost surely, 2^135425013 is an apocalyptic number.

It is an amenable number.

135425013 is a deficient number, since it is larger than the sum of its proper divisors (45141675).

135425013 is an equidigital number, since it uses as much as digits as its factorization.

135425013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45141674.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 135425013 is about 11637.2253136218. The cubic root of 135425013 is about 513.5305622722.

Adding to 135425013 its reverse (310524531), we get a palindrome (445949544).

The spelling of 135425013 in words is "one hundred thirty-five million, four hundred twenty-five thousand, thirteen".