135645425 has 24 divisors (see below), whose sum is σ = 175301280. Its totient is φ = 104028800.

The previous prime is 135645413. The next prime is 135645443. The reversal of 135645425 is 524546531.

It is not a de Polignac number, because 135645425 - 2⁶ = 135645361 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59354 + ... + 61596.

It is an arithmetic number, because the mean of its divisors is an integer number (7304220).

Almost surely, 2^135645425 is an apocalyptic number.

It is an amenable number.

135645425 is a deficient number, since it is larger than the sum of its proper divisors (39655855).

135645425 is a wasteful number, since it uses less digits than its factorization.

135645425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353 (or 2348 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 135645425 is about 11646.6915903187. The cubic root of 135645425 is about 513.8090114410.

The spelling of 135645425 in words is "one hundred thirty-five million, six hundred forty-five thousand, four hundred twenty-five".