135863825 has 12 divisors (see below), whose sum is σ = 170846208. Its totient is φ = 107158800.

The previous prime is 135863803. The next prime is 135863837. The reversal of 135863825 is 528368531.

It is not a de Polignac number, because 135863825 - 2⁸ = 135863569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36497 + ... + 40046.

It is an arithmetic number, because the mean of its divisors is an integer number (14237184).

Almost surely, 2^135863825 is an apocalyptic number.

It is an amenable number.

135863825 is a deficient number, since it is larger than the sum of its proper divisors (34982383).

135863825 is an equidigital number, since it uses as much as digits as its factorization.

135863825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76624 (or 76619 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 135863825 is about 11656.0638725086. The cubic root of 135863825 is about 514.0846214647.

The spelling of 135863825 in words is "one hundred thirty-five million, eight hundred sixty-three thousand, eight hundred twenty-five".