133391201 has 8 divisors (see below), whose sum is σ = 136074624. Its totient is φ = 130723920.

The previous prime is 133391177. The next prime is 133391227. The reversal of 133391201 is 102193331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133391201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133391281) 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, 13400 + ... + 21126.

It is an arithmetic number, because the mean of its divisors is an integer number (17009328).

Almost surely, 2^133391201 is an apocalyptic number.

It is an amenable number.

133391201 is a deficient number, since it is larger than the sum of its proper divisors (2683423).

133391201 is an equidigital number, since it uses as much as digits as its factorization.

133391201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8071.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 133391201 is about 11549.5108554432. The cubic root of 133391201 is about 510.9468518041.

The spelling of 133391201 in words is "one hundred thirty-three million, three hundred ninety-one thousand, two hundred one".