133533850 has 12 divisors (see below), whose sum is σ = 248373054. Its totient is φ = 53413520.

The previous prime is 133533847. The next prime is 133533857. The reversal of 133533850 is 58335331.

It can be written as a sum of positive squares in 3 ways, for example, as 120494529 + 13039321 = 10977^2 + 3611^2 .

It is not an unprimeable number, because it can be changed into a prime (133533857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1335289 + ... + 1335388.

Almost surely, 2^133533850 is an apocalyptic number.

133533850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133533850 is a deficient number, since it is larger than the sum of its proper divisors (114839204).

133533850 is a wasteful number, since it uses less digits than its factorization.

133533850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670689 (or 2670684 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 133533850 is about 11555.6847482094. The cubic root of 133533850 is about 511.1289230122.

The spelling of 133533850 in words is "one hundred thirty-three million, five hundred thirty-three thousand, eight hundred fifty".