133313201 has 16 divisors (see below), whose sum is σ = 165078144. Its totient is φ = 105041664.

The previous prime is 133313161. The next prime is 133313231. The reversal of 133313201 is 102313331.

It is not a de Polignac number, because 133313201 - 2⁶ = 133313137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 133313201.

It is not an unprimeable number, because it can be changed into a prime (133313231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7910 + ... + 18143.

It is an arithmetic number, because the mean of its divisors is an integer number (10317384).

Almost surely, 2^133313201 is an apocalyptic number.

It is an amenable number.

133313201 is a deficient number, since it is larger than the sum of its proper divisors (31764943).

133313201 is a wasteful number, since it uses less digits than its factorization.

133313201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26120.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 133313201 is about 11546.1335952777. The cubic root of 133313201 is about 510.8472409732.

Adding to 133313201 its reverse (102313331), we get a palindrome (235626532).

The spelling of 133313201 in words is "one hundred thirty-three million, three hundred thirteen thousand, two hundred one".