133906232 has 16 divisors (see below), whose sum is σ = 251984760. Its totient is φ = 66710304.

The previous prime is 133906231. The next prime is 133906237. The reversal of 133906232 is 232609331.

It is a junction number, because it is equal to n+sod(n) for n = 133906195 and 133906204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133906231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27998 + ... + 32429.

Almost surely, 2^133906232 is an apocalyptic number.

It is an amenable number.

133906232 is a deficient number, since it is larger than the sum of its proper divisors (118078528).

133906232 is a wasteful number, since it uses less digits than its factorization.

133906232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60710 (or 60706 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 133906232 is about 11571.7860332794. The cubic root of 133906232 is about 511.6036055410.

The spelling of 133906232 in words is "one hundred thirty-three million, nine hundred six thousand, two hundred thirty-two".