133274636 has 12 divisors (see below), whose sum is σ = 254433480. Its totient is φ = 60579360.

The previous prime is 133274593. The next prime is 133274671. The reversal of 133274636 is 636472331.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 133274596 and 133274605.

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, 1514441 + ... + 1514528.

It is an arithmetic number, because the mean of its divisors is an integer number (21202790).

Almost surely, 2^133274636 is an apocalyptic number.

It is an amenable number.

133274636 is a deficient number, since it is larger than the sum of its proper divisors (121158844).

133274636 is a wasteful number, since it uses less digits than its factorization.

133274636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028984 (or 3028982 counting only the distinct ones).

The product of its digits is 54432, while the sum is 35.

The square root of 133274636 is about 11544.4634349111. The cubic root of 133274636 is about 510.7979767251.

The spelling of 133274636 in words is "one hundred thirty-three million, two hundred seventy-four thousand, six hundred thirty-six".