133022764 has 12 divisors (see below), whose sum is σ = 266045584. Its totient is φ = 57009744.

The previous prime is 133022699. The next prime is 133022801. The reversal of 133022764 is 467220331.

133022764 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 4750813 = 133022764 / (1 + 3 + 3 + 0 + 2 + 2 + 7 + 6 + 4).

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, 2375379 + ... + 2375434.

Almost surely, 2^133022764 is an apocalyptic number.

133022764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

133022764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133022764 is a wasteful number, since it uses less digits than its factorization.

133022764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4750824 (or 4750822 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 133022764 is about 11533.5494970109. The cubic root of 133022764 is about 510.4759928761.

The spelling of 133022764 in words is "one hundred thirty-three million, twenty-two thousand, seven hundred sixty-four".