135025400 has 48 divisors (see below), whose sum is σ = 330466200. Its totient is φ = 51166080.

The previous prime is 135025393. The next prime is 135025403. The reversal of 135025400 is 4520531.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135025403) 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 11 ways as a sum of consecutive naturals, for example, 13967 + ... + 21566.

Almost surely, 2^135025400 is an apocalyptic number.

135025400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135025400 is an abundant number, since it is smaller than the sum of its proper divisors (195440800).

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

135025400 is a wasteful number, since it uses less digits than its factorization.

135025400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35568 (or 35559 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 135025400 is about 11620.0430291802. The cubic root of 135025400 is about 513.0249548662.

Adding to 135025400 its reverse (4520531), we get a palindrome (139545931).

The spelling of 135025400 in words is "one hundred thirty-five million, twenty-five thousand, four hundred".