133039296 has 168 divisors, whose sum is σ = 416976560. Its totient is φ = 40310784.

The previous prime is 133039279. The next prime is 133039367. The reversal of 133039296 is 692930331.

It is a happy number.

133039296 is a `hidden beast` number, since 1 + 330 + 39 + 296 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 133039296.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 816111 + ... + 816273.

Almost surely, 2^133039296 is an apocalyptic number.

133039296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133039296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208488280).

133039296 is an abundant number, since it is smaller than the sum of its proper divisors (283937264).

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

133039296 is a wasteful number, since it uses less digits than its factorization.

133039296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 133039296 is about 11534.2661665145. The cubic root of 133039296 is about 510.4971392305.

The spelling of 133039296 in words is "one hundred thirty-three million, thirty-nine thousand, two hundred ninety-six".