133764044 has 12 divisors (see below), whose sum is σ = 244264944. Its totient is φ = 63974064.

The previous prime is 133764023. The next prime is 133764053. The reversal of 133764044 is 440467331.

It is a self number, because there is not a number n which added to its sum of digits gives 133764044.

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, 726887 + ... + 727070.

It is an arithmetic number, because the mean of its divisors is an integer number (20355412).

Almost surely, 2^133764044 is an apocalyptic number.

It is an amenable number.

133764044 is a deficient number, since it is larger than the sum of its proper divisors (110500900).

133764044 is a wasteful number, since it uses less digits than its factorization.

133764044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453984 (or 1453982 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 133764044 is about 11565.6406653501. The cubic root of 133764044 is about 511.4224597366.

The spelling of 133764044 in words is "one hundred thirty-three million, seven hundred sixty-four thousand, forty-four".