135003974 has 24 divisors (see below), whose sum is σ = 241948560. Its totient is φ = 55340208.

The previous prime is 135003959. The next prime is 135003991. The reversal of 135003974 is 479300531.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135003974.

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, 1709 + ... + 16520.

It is an arithmetic number, because the mean of its divisors is an integer number (10081190).

Almost surely, 2^135003974 is an apocalyptic number.

135003974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135003974 is a deficient number, since it is larger than the sum of its proper divisors (106944586).

135003974 is a wasteful number, since it uses less digits than its factorization.

135003974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18284 (or 18261 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 135003974 is about 11619.1210510950. The cubic root of 135003974 is about 512.9978176161.

The spelling of 135003974 in words is "one hundred thirty-five million, three thousand, nine hundred seventy-four".