133413111 has 24 divisors (see below), whose sum is σ = 209388816. Its totient is φ = 81365760.

The previous prime is 133413107. The next prime is 133413143. The reversal of 133413111 is 111314331.

133413111 is a `hidden beast` number, since 13 + 341 + 311 + 1 = 666.

It is not a de Polignac number, because 133413111 - 2² = 133413107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133413011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8176 + ... + 18266.

It is an arithmetic number, because the mean of its divisors is an integer number (8724534).

Almost surely, 2^133413111 is an apocalyptic number.

133413111 is a deficient number, since it is larger than the sum of its proper divisors (75975705).

133413111 is a wasteful number, since it uses less digits than its factorization.

133413111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10223 (or 10220 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 133413111 is about 11550.4593415154. The cubic root of 133413111 is about 510.9748252451.

Adding to 133413111 its reverse (111314331), we get a palindrome (244727442).

The spelling of 133413111 in words is "one hundred thirty-three million, four hundred thirteen thousand, one hundred eleven".