135783925 has 12 divisors (see below), whose sum is σ = 168808516. Its totient is φ = 108345600.

The previous prime is 135783889. The next prime is 135783931. The reversal of 135783925 is 529387531.

It can be written as a sum of positive squares in 6 ways, for example, as 5846724 + 129937201 = 2418^2 + 11399^2 .

It is not a de Polignac number, because 135783925 - 2⁷ = 135783797 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent 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, 3085 + ... + 16765.

Almost surely, 2^135783925 is an apocalyptic number.

It is an amenable number.

135783925 is a deficient number, since it is larger than the sum of its proper divisors (33024591).

135783925 is a wasteful number, since it uses less digits than its factorization.

135783925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14088 (or 14083 counting only the distinct ones).

The product of its digits is 226800, while the sum is 43.

The square root of 135783925 is about 11652.6359678830. The cubic root of 135783925 is about 513.9838258927.

The spelling of 135783925 in words is "one hundred thirty-five million, seven hundred eighty-three thousand, nine hundred twenty-five".