135322425 has 72 divisors (see below), whose sum is σ = 279327360. Its totient is φ = 61344000.

The previous prime is 135322423. The next prime is 135322457. The reversal of 135322425 is 524223531.

It is a happy number.

It is not a de Polignac number, because 135322425 - 2¹ = 135322423 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135322423) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 237541 + ... + 238109.

Almost surely, 2^135322425 is an apocalyptic number.

135322425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135322425 is an abundant number, since it is smaller than the sum of its proper divisors (144004935).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135322425 is a wasteful number, since it uses less digits than its factorization.

135322425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 735 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 135322425 is about 11632.8167268293. The cubic root of 135322425 is about 513.4008585578.

Adding to 135322425 its reverse (524223531), we get a palindrome (659545956).

The spelling of 135322425 in words is "one hundred thirty-five million, three hundred twenty-two thousand, four hundred twenty-five".