133613193 has 32 divisors (see below), whose sum is σ = 211599360. Its totient is φ = 73385280.

The previous prime is 133613173. The next prime is 133613231. The reversal of 133613193 is 391316331.

It is not a de Polignac number, because 133613193 - 2¹⁷ = 133482121 is a prime.

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 133613193.

It is not an unprimeable number, because it can be changed into a prime (133613113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108103 + ... + 109331.

It is an arithmetic number, because the mean of its divisors is an integer number (6612480).

Almost surely, 2^133613193 is an apocalyptic number.

It is an amenable number.

133613193 is a deficient number, since it is larger than the sum of its proper divisors (77986167).

133613193 is a wasteful number, since it uses less digits than its factorization.

133613193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437.

The product of its digits is 4374, while the sum is 30.

The square root of 133613193 is about 11559.1173105908. The cubic root of 133613193 is about 511.2301369805.

The spelling of 133613193 in words is "one hundred thirty-three million, six hundred thirteen thousand, one hundred ninety-three".