133740366 has 8 divisors (see below), whose sum is σ = 267480744. Its totient is φ = 44580120.

The previous prime is 133740361. The next prime is 133740367. The reversal of 133740366 is 663047331.

It is a sphenic number, since it is the product of 3 distinct primes.

133740366 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133740361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11145025 + ... + 11145036.

It is an arithmetic number, because the mean of its divisors is an integer number (33435093).

Almost surely, 2^133740366 is an apocalyptic number.

133740366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133740366 is a wasteful number, since it uses less digits than its factorization.

133740366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22290066.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 133740366 is about 11564.6169845784. The cubic root of 133740366 is about 511.3922817824.

Adding to 133740366 its reverse (663047331), we get a palindrome (796787697).

The spelling of 133740366 in words is "one hundred thirty-three million, seven hundred forty thousand, three hundred sixty-six".