135125300 has 18 divisors (see below), whose sum is σ = 293222118. Its totient is φ = 54050080.

The previous prime is 135125273. The next prime is 135125317. The reversal of 135125300 is 3521531.

It can be written as a sum of positive squares in 3 ways, for example, as 26173456 + 108951844 = 5116^2 + 10438^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 675527 + ... + 675726.

Almost surely, 2^135125300 is an apocalyptic number.

135125300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135125300 is an abundant number, since it is smaller than the sum of its proper divisors (158096818).

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

135125300 is a wasteful number, since it uses less digits than its factorization.

135125300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351267 (or 1351260 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 135125300 is about 11624.3408415273. The cubic root of 135125300 is about 513.1514460267.

Adding to 135125300 its reverse (3521531), we get a palindrome (138646831).

The spelling of 135125300 in words is "one hundred thirty-five million, one hundred twenty-five thousand, three hundred".