133249296 has 20 divisors (see below), whose sum is σ = 344227472. Its totient is φ = 44416416.

The previous prime is 133249283. The next prime is 133249297. The reversal of 133249296 is 692942331.

It is not an unprimeable number, because it can be changed into a prime (133249297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387966 + ... + 1388061.

Almost surely, 2^133249296 is an apocalyptic number.

133249296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133249296 is an abundant number, since it is smaller than the sum of its proper divisors (210978176).

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

133249296 is a wasteful number, since it uses less digits than its factorization.

133249296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776038 (or 2776032 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 133249296 is about 11543.3658869500. The cubic root of 133249296 is about 510.7656013696.

The spelling of 133249296 in words is "one hundred thirty-three million, two hundred forty-nine thousand, two hundred ninety-six".