133573076 has 48 divisors (see below), whose sum is σ = 292043136. Its totient is φ = 52043904.

The previous prime is 133573073. The next prime is 133573123. The reversal of 133573076 is 670375331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133573073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21650 + ... + 27126.

It is an arithmetic number, because the mean of its divisors is an integer number (6084232).

Almost surely, 2^133573076 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 133573076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146021568).

133573076 is an abundant number, since it is smaller than the sum of its proper divisors (158470060).

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

133573076 is a wasteful number, since it uses less digits than its factorization.

133573076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568 (or 5566 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 35.

The square root of 133573076 is about 11557.3818834544. The cubic root of 133573076 is about 511.1789667034.

The spelling of 133573076 in words is "one hundred thirty-three million, five hundred seventy-three thousand, seventy-six".