133981474 has 8 divisors (see below), whose sum is σ = 219242448. Its totient is φ = 60900660.

The previous prime is 133981469. The next prime is 133981489. The reversal of 133981474 is 474189331.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3045012 + ... + 3045055.

It is an arithmetic number, because the mean of its divisors is an integer number (27405306).

Almost surely, 2^133981474 is an apocalyptic number.

133981474 is a deficient number, since it is larger than the sum of its proper divisors (85260974).

133981474 is a wasteful number, since it uses less digits than its factorization.

133981474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6090080.

The product of its digits is 72576, while the sum is 40.

The square root of 133981474 is about 11575.0366738080. The cubic root of 133981474 is about 511.6994110665.

The spelling of 133981474 in words is "one hundred thirty-three million, nine hundred eighty-one thousand, four hundred seventy-four".