135897125 has 48 divisors (see below), whose sum is σ = 210113280. Its totient is φ = 85924800.

The previous prime is 135897121. The next prime is 135897127. The reversal of 135897125 is 521798531.

It is not a de Polignac number, because 135897125 - 2² = 135897121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135897121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147416 + ... + 148334.

It is an arithmetic number, because the mean of its divisors is an integer number (4377360).

Almost surely, 2^135897125 is an apocalyptic number.

It is an amenable number.

135897125 is a deficient number, since it is larger than the sum of its proper divisors (74216155).

135897125 is an equidigital number, since it uses as much as digits as its factorization.

135897125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 944 counting only the distinct ones).

The product of its digits is 75600, while the sum is 41.

The square root of 135897125 is about 11657.4922260321. The cubic root of 135897125 is about 514.1266184654.

The spelling of 135897125 in words is "one hundred thirty-five million, eight hundred ninety-seven thousand, one hundred twenty-five".