135975474 has 12 divisors (see below), whose sum is σ = 294613566. Its totient is φ = 45325152.

The previous prime is 135975451. The next prime is 135975479. The reversal of 135975474 is 474579531.

135975474 is a `hidden beast` number, since 1 + 3 + 597 + 54 + 7 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 135559449 + 416025 = 11643^2 + 645^2 .

It is not an unprimeable number, because it can be changed into a prime (135975479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3777079 + ... + 3777114.

Almost surely, 2^135975474 is an apocalyptic number.

135975474 is an abundant number, since it is smaller than the sum of its proper divisors (158638092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135975474 is a wasteful number, since it uses less digits than its factorization.

135975474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7554201 (or 7554198 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 135975474 is about 11660.8521987031. The cubic root of 135975474 is about 514.2254029142.

The spelling of 135975474 in words is "one hundred thirty-five million, nine hundred seventy-five thousand, four hundred seventy-four".