135225402 has 16 divisors (see below), whose sum is σ = 291254880. Its totient is φ = 41607792.

The previous prime is 135225383. The next prime is 135225403. The reversal of 135225402 is 204522531.

It is not an unprimeable number, because it can be changed into a prime (135225403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866752 + ... + 866907.

It is an arithmetic number, because the mean of its divisors is an integer number (18203430).

Almost surely, 2^135225402 is an apocalyptic number.

135225402 is an abundant number, since it is smaller than the sum of its proper divisors (156029478).

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

135225402 is a wasteful number, since it uses less digits than its factorization.

135225402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733677.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 135225402 is about 11628.6457509032. The cubic root of 135225402 is about 513.2781304368.

Adding to 135225402 its reverse (204522531), we get a palindrome (339747933).

The spelling of 135225402 in words is "one hundred thirty-five million, two hundred twenty-five thousand, four hundred two".