133806936 has 32 divisors (see below), whose sum is σ = 334837440. Its totient is φ = 44559648.

The previous prime is 133806929. The next prime is 133806971. The reversal of 133806936 is 639608331.

It is a super-2 number, since 2×133806936² = 35808592243416192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133806894 and 133806903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32295 + ... + 36201.

It is an arithmetic number, because the mean of its divisors is an integer number (10463670).

Almost surely, 2^133806936 is an apocalyptic number.

It is an amenable number.

133806936 is an abundant number, since it is smaller than the sum of its proper divisors (201030504).

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

133806936 is a wasteful number, since it uses less digits than its factorization.

133806936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5343 (or 5339 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 133806936 is about 11567.4948022465. The cubic root of 133806936 is about 511.4771171450.

The spelling of 133806936 in words is "one hundred thirty-three million, eight hundred six thousand, nine hundred thirty-six".