133641265066 has 8 divisors (see below), whose sum is σ = 200846662884. Its totient is φ = 66692377440.

The previous prime is 133641265039. The next prime is 133641265073. The reversal of 133641265066 is 660562146331.

It can be written as a sum of positive squares in 2 ways, for example, as 111419102025 + 22222163041 = 333795^2 + 149071^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64126245 + ... + 64128328.

Almost surely, 2^133641265066 is an apocalyptic number.

133641265066 is a deficient number, since it is larger than the sum of its proper divisors (67205397818).

133641265066 is a wasteful number, since it uses less digits than its factorization.

133641265066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128255096.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 133641265066 in words is "one hundred thirty-three billion, six hundred forty-one million, two hundred sixty-five thousand, sixty-six".