135185074 has 8 divisors (see below), whose sum is σ = 202826988. Its totient is φ = 67576080.

The previous prime is 135185069. The next prime is 135185093. The reversal of 135185074 is 470581531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 94926049 + 40259025 = 9743^2 + 6345^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11464 + ... + 20044.

Almost surely, 2^135185074 is an apocalyptic number.

135185074 is a deficient number, since it is larger than the sum of its proper divisors (67641914).

135185074 is an equidigital number, since it uses as much as digits as its factorization.

135185074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16460.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 135185074 is about 11626.9116277712. The cubic root of 135185074 is about 513.2271007284.

The spelling of 135185074 in words is "one hundred thirty-five million, one hundred eighty-five thousand, seventy-four".