133160901 has 4 divisors (see below), whose sum is σ = 177547872. Its totient is φ = 88773932.

The previous prime is 133160893. The next prime is 133160933. The reversal of 133160901 is 109061331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133160901 - 2³ = 133160893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133160971) 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, 22193481 + ... + 22193486.

It is an arithmetic number, because the mean of its divisors is an integer number (44386968).

Almost surely, 2^133160901 is an apocalyptic number.

It is an amenable number.

133160901 is a deficient number, since it is larger than the sum of its proper divisors (44386971).

133160901 is an equidigital number, since it uses as much as digits as its factorization.

133160901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44386970.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 133160901 is about 11539.5364291639. The cubic root of 133160901 is about 510.6526323858.

The spelling of 133160901 in words is "one hundred thirty-three million, one hundred sixty thousand, nine hundred one".