133246266 has 16 divisors (see below), whose sum is σ = 267444288. Its totient is φ = 44256800.

The previous prime is 133246237. The next prime is 133246273. The reversal of 133246266 is 662642331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37830 + ... + 41201.

It is an arithmetic number, because the mean of its divisors is an integer number (16715268).

Almost surely, 2^133246266 is an apocalyptic number.

133246266 is an abundant number, since it is smaller than the sum of its proper divisors (134198022).

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

133246266 is a wasteful number, since it uses less digits than its factorization.

133246266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79317.

The product of its digits is 31104, while the sum is 33.

The square root of 133246266 is about 11543.2346419884. The cubic root of 133246266 is about 510.7617298507.

Adding to 133246266 its reverse (662642331), we get a palindrome (795888597).

It can be divided in two parts, 1332462 and 66, that added together give a triangular number (1332528 = T₁₆₃₂).

The spelling of 133246266 in words is "one hundred thirty-three million, two hundred forty-six thousand, two hundred sixty-six".