133668004 has 12 divisors (see below), whose sum is σ = 234197964. Its totient is φ = 66754304.

The previous prime is 133667993. The next prime is 133668043. The reversal of 133668004 is 400866331.

It can be written as a sum of positive squares in 2 ways, for example, as 84640000 + 49028004 = 9200^2 + 7002^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16069 + ... + 22924.

It is an arithmetic number, because the mean of its divisors is an integer number (19516497).

Almost surely, 2^133668004 is an apocalyptic number.

It is an amenable number.

133668004 is a deficient number, since it is larger than the sum of its proper divisors (100529960).

133668004 is a wasteful number, since it uses less digits than its factorization.

133668004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39854 (or 39852 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 133668004 is about 11561.4879665206. The cubic root of 133668004 is about 511.3000332826.

The spelling of 133668004 in words is "one hundred thirty-three million, six hundred sixty-eight thousand, four".