133776036 has 120 divisors (see below), whose sum is σ = 380540160. Its totient is φ = 40824000.

The previous prime is 133776029. The next prime is 133776047. The reversal of 133776036 is 630677331.

133776036 is a `hidden beast` number, since 13 + 37 + 7 + 603 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 190486 + ... + 191186.

It is an arithmetic number, because the mean of its divisors is an integer number (3171168).

Almost surely, 2^133776036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133776036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190270080).

133776036 is an abundant number, since it is smaller than the sum of its proper divisors (246764124).

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

133776036 is a wasteful number, since it uses less digits than its factorization.

133776036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 36.

The square root of 133776036 is about 11566.1590858850. The cubic root of 133776036 is about 511.4377423559.

The spelling of 133776036 in words is "one hundred thirty-three million, seven hundred seventy-six thousand, thirty-six".