135425313 has 6 divisors (see below), whose sum is σ = 195614354. Its totient is φ = 90283536.

The previous prime is 135425309. The next prime is 135425317. The reversal of 135425313 is 313524531.

It is an interprime number because it is at equal distance from previous prime (135425309) and next prime (135425317).

It can be written as a sum of positive squares in only one way, i.e., 115283169 + 20142144 = 10737^2 + 4488^2 .

It is not a de Polignac number, because 135425313 - 2² = 135425309 is a prime.

It is a super-2 number, since 2×135425313² = 36680030802295938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135425317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7523620 + ... + 7523637.

Almost surely, 2^135425313 is an apocalyptic number.

It is an amenable number.

135425313 is a deficient number, since it is larger than the sum of its proper divisors (60189041).

135425313 is a wasteful number, since it uses less digits than its factorization.

135425313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15047263 (or 15047260 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 135425313 is about 11637.2382032852. The cubic root of 135425313 is about 513.5309414711.

Adding to 135425313 its reverse (313524531), we get a palindrome (448949844).

The spelling of 135425313 in words is "one hundred thirty-five million, four hundred twenty-five thousand, three hundred thirteen".