133170984 has 48 divisors (see below), whose sum is σ = 361501920. Its totient is φ = 44288160.

The previous prime is 133170971. The next prime is 133170997. The reversal of 133170984 is 489071331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (133170971) and next prime (133170997).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33469 + ... + 37235.

It is an arithmetic number, because the mean of its divisors is an integer number (7531290).

Almost surely, 2^133170984 is an apocalyptic number.

It is an amenable number.

133170984 is an abundant number, since it is smaller than the sum of its proper divisors (228330936).

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

133170984 is a wasteful number, since it uses less digits than its factorization.

133170984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270 (or 4263 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 133170984 is about 11539.9733101944. The cubic root of 133170984 is about 510.6655210052.

The spelling of 133170984 in words is "one hundred thirty-three million, one hundred seventy thousand, nine hundred eighty-four".