133870982 has 8 divisors (see below), whose sum is σ = 229493136. Its totient is φ = 57373272.

The previous prime is 133870973. The next prime is 133871021. The reversal of 133870982 is 289078331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×133870982³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

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, 4781093 + ... + 4781120.

It is an arithmetic number, because the mean of its divisors is an integer number (28686642).

Almost surely, 2^133870982 is an apocalyptic number.

133870982 is a deficient number, since it is larger than the sum of its proper divisors (95622154).

133870982 is an equidigital number, since it uses as much as digits as its factorization.

133870982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9562222.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 133870982 is about 11570.2628319326. The cubic root of 133870982 is about 511.5587094235.

The spelling of 133870982 in words is "one hundred thirty-three million, eight hundred seventy thousand, nine hundred eighty-two".