133939036 has 24 divisors (see below), whose sum is σ = 292231296. Its totient is φ = 52183920.

The previous prime is 133939033. The next prime is 133939061. The reversal of 133939036 is 630939331.

It is a junction number, because it is equal to n+sod(n) for n = 133938986 and 133939004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133939031) 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, 217126 + ... + 217741.

It is an arithmetic number, because the mean of its divisors is an integer number (12176304).

Almost surely, 2^133939036 is an apocalyptic number.

It is an amenable number.

133939036 is an abundant number, since it is smaller than the sum of its proper divisors (158292260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133939036 is a wasteful number, since it uses less digits than its factorization.

133939036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434889 (or 434887 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 37.

The square root of 133939036 is about 11573.2033594852. The cubic root of 133939036 is about 511.6453792363.

The spelling of 133939036 in words is "one hundred thirty-three million, nine hundred thirty-nine thousand, thirty-six".