133298376 has 64 divisors (see below), whose sum is σ = 356102400. Its totient is φ = 41456448.

The previous prime is 133298293. The next prime is 133298423. The reversal of 133298376 is 673892331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28371 + ... + 32733.

It is an arithmetic number, because the mean of its divisors is an integer number (5564100).

Almost surely, 2^133298376 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 133298376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178051200).

133298376 is an abundant number, since it is smaller than the sum of its proper divisors (222804024).

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

133298376 is a wasteful number, since it uses less digits than its factorization.

133298376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458 (or 4454 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 133298376 is about 11545.4915876285. The cubic root of 133298376 is about 510.8283041362.

The spelling of 133298376 in words is "one hundred thirty-three million, two hundred ninety-eight thousand, three hundred seventy-six".