135425775 has 12 divisors (see below), whose sum is σ = 223904072. Its totient is φ = 72227040.

The previous prime is 135425767. The next prime is 135425777. The reversal of 135425775 is 577524531.

It is a happy number.

It is not a de Polignac number, because 135425775 - 2³ = 135425767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135425777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 902764 + ... + 902913.

Almost surely, 2^135425775 is an apocalyptic number.

135425775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135425775 is a deficient number, since it is larger than the sum of its proper divisors (88478297).

135425775 is a wasteful number, since it uses less digits than its factorization.

135425775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805690 (or 1805685 counting only the distinct ones).

The product of its digits is 147000, while the sum is 39.

The square root of 135425775 is about 11637.2580533389. The cubic root of 135425775 is about 513.5315254363.

The spelling of 135425775 in words is "one hundred thirty-five million, four hundred twenty-five thousand, seven hundred seventy-five".