133173061 has 8 divisors (see below), whose sum is σ = 152273984. Its totient is φ = 114091200.

The previous prime is 133173037. The next prime is 133173077. The reversal of 133173061 is 160371331.

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

It is a cyclic number.

It is not a de Polignac number, because 133173061 - 2⁷ = 133172933 is a prime.

It is a super-2 number, since 2×133173061² = 35470128352219442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133173011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16621 + ... + 23293.

It is an arithmetic number, because the mean of its divisors is an integer number (19034248).

Almost surely, 2^133173061 is an apocalyptic number.

It is an amenable number.

133173061 is a deficient number, since it is larger than the sum of its proper divisors (19100923).

133173061 is an equidigital number, since it uses as much as digits as its factorization.

133173061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9531.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 133173061 is about 11540.0633013862. The cubic root of 133173061 is about 510.6681758547.

The spelling of 133173061 in words is "one hundred thirty-three million, one hundred seventy-three thousand, sixty-one".