135508274 has 8 divisors (see below), whose sum is σ = 221740848. Its totient is φ = 61594660.

The previous prime is 135508273. The next prime is 135508277. The reversal of 135508274 is 472805531.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (135508273) 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 3 ways as a sum of consecutive naturals, for example, 3079712 + ... + 3079755.

It is an arithmetic number, because the mean of its divisors is an integer number (27717606).

Almost surely, 2^135508274 is an apocalyptic number.

135508274 is a deficient number, since it is larger than the sum of its proper divisors (86232574).

135508274 is a wasteful number, since it uses less digits than its factorization.

135508274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159480.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 135508274 is about 11640.8021201290. The cubic root of 135508274 is about 513.6357823928.

The spelling of 135508274 in words is "one hundred thirty-five million, five hundred eight thousand, two hundred seventy-four".