133387112 has 16 divisors (see below), whose sum is σ = 251077860. Its totient is φ = 66433024.

The previous prime is 133387103. The next prime is 133387127. The reversal of 133387112 is 211783331.

It can be written as a sum of positive squares in 2 ways, for example, as 84750436 + 48636676 = 9206^2 + 6974^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30383 + ... + 34494.

Almost surely, 2^133387112 is an apocalyptic number.

It is an amenable number.

133387112 is a deficient number, since it is larger than the sum of its proper divisors (117690748).

133387112 is a wasteful number, since it uses less digits than its factorization.

133387112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65140 (or 65136 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 133387112 is about 11549.3338336027. Note that the first 3 decimals coincide. The cubic root of 133387112 is about 510.9416308625.

The spelling of 133387112 in words is "one hundred thirty-three million, three hundred eighty-seven thousand, one hundred twelve".