135025140 has 24 divisors (see below), whose sum is σ = 378070560. Its totient is φ = 36006688.

The previous prime is 135025139. The next prime is 135025171. The reversal of 135025140 is 41520531.

It is a congruent number.

It is an unprimeable number.

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, 1125150 + ... + 1125269.

It is an arithmetic number, because the mean of its divisors is an integer number (15752940).

Almost surely, 2^135025140 is an apocalyptic number.

135025140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135025140 is an abundant number, since it is smaller than the sum of its proper divisors (243045420).

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

135025140 is a wasteful number, since it uses less digits than its factorization.

135025140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250431 (or 2250429 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 135025140 is about 11620.0318416087. The cubic root of 135025140 is about 513.0246255786.

Adding to 135025140 its reverse (41520531), we get a palindrome (176545671).

The spelling of 135025140 in words is "one hundred thirty-five million, twenty-five thousand, one hundred forty".