133321112 has 32 divisors (see below), whose sum is σ = 255117600. Its totient is φ = 65299200.

The previous prime is 133321099. The next prime is 133321117. The reversal of 133321112 is 211123331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133321117) 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, 174812 + ... + 175572.

It is an arithmetic number, because the mean of its divisors is an integer number (7972425).

Almost surely, 2^133321112 is an apocalyptic number.

It is an amenable number.

133321112 is a deficient number, since it is larger than the sum of its proper divisors (121796488).

133321112 is a wasteful number, since it uses less digits than its factorization.

133321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187 (or 1183 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 133321112 is about 11546.4761724086. The cubic root of 133321112 is about 510.8573455804.

Adding to 133321112 its reverse (211123331), we get a palindrome (344444443).

The spelling of 133321112 in words is "one hundred thirty-three million, three hundred twenty-one thousand, one hundred twelve".