133885604 has 12 divisors (see below), whose sum is σ = 235172700. Its totient is φ = 66693408.

The previous prime is 133885601. The next prime is 133885607. The reversal of 133885604 is 406588331.

It is an interprime number because it is at equal distance from previous prime (133885601) and next prime (133885607).

It can be written as a sum of positive squares in 2 ways, for example, as 6150400 + 127735204 = 2480^2 + 11302^2 .

It is not an unprimeable number, because it can be changed into a prime (133885601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61139 + ... + 63290.

It is an arithmetic number, because the mean of its divisors is an integer number (19597725).

Almost surely, 2^133885604 is an apocalyptic number.

It is an amenable number.

133885604 is a deficient number, since it is larger than the sum of its proper divisors (101287096).

133885604 is a wasteful number, since it uses less digits than its factorization.

133885604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124702 (or 124700 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 133885604 is about 11570.8946931514. The cubic root of 133885604 is about 511.5773336716.

The spelling of 133885604 in words is "one hundred thirty-three million, eight hundred eighty-five thousand, six hundred four".