133299450 has 36 divisors (see below), whose sum is σ = 358132398. Its totient is φ = 35546400.

The previous prime is 133299449. The next prime is 133299511. The reversal of 133299450 is 54992331.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 89699841 + 43599609 = 9471^2 + 6603^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 147661 + ... + 148560.

Almost surely, 2^133299450 is an apocalyptic number.

133299450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133299450 is an abundant number, since it is smaller than the sum of its proper divisors (224832948).

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

133299450 is a wasteful number, since it uses less digits than its factorization.

133299450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296239 (or 296231 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 133299450 is about 11545.5380991966. The cubic root of 133299450 is about 510.8296760662.

The spelling of 133299450 in words is "one hundred thirty-three million, two hundred ninety-nine thousand, four hundred fifty".