133752236 has 12 divisors (see below), whose sum is σ = 234288600. Its totient is φ = 66812640.

The previous prime is 133752221. The next prime is 133752257. The reversal of 133752236 is 632257331.

It is a super-3 number, since 3×133752236³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10961 + ... + 19688.

It is an arithmetic number, because the mean of its divisors is an integer number (19524050).

Almost surely, 2^133752236 is an apocalyptic number.

It is an amenable number.

133752236 is a deficient number, since it is larger than the sum of its proper divisors (100536364).

133752236 is a wasteful number, since it uses less digits than its factorization.

133752236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31744 (or 31742 counting only the distinct ones).

The product of its digits is 22680, while the sum is 32.

The square root of 133752236 is about 11565.1301765263. The cubic root of 133752236 is about 511.4074107147.

The spelling of 133752236 in words is "one hundred thirty-three million, seven hundred fifty-two thousand, two hundred thirty-six".