133033988 has 12 divisors (see below), whose sum is σ = 232981980. Its totient is φ = 66467712.

The previous prime is 133033973. The next prime is 133034003. The reversal of 133033988 is 889330331.

It is an interprime number because it is at equal distance from previous prime (133033973) and next prime (133034003).

It can be written as a sum of positive squares in 2 ways, for example, as 104816644 + 28217344 = 10238^2 + 5312^2 .

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, 5873 + ... + 17336.

It is an arithmetic number, because the mean of its divisors is an integer number (19415165).

Almost surely, 2^133033988 is an apocalyptic number.

It is an amenable number.

133033988 is a deficient number, since it is larger than the sum of its proper divisors (99947992).

133033988 is a wasteful number, since it uses less digits than its factorization.

133033988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24646 (or 24644 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 133033988 is about 11534.0360672230. The cubic root of 133033988 is about 510.4903498710.

The spelling of 133033988 in words is "one hundred thirty-three million, thirty-three thousand, nine hundred eighty-eight".