133266511313 has 8 divisors (see below), whose sum is σ = 143520825000. Its totient is φ = 123012632448.

The previous prime is 133266511283. The next prime is 133266511321. The reversal of 133266511313 is 313115662331.

It can be written as a sum of positive squares in 4 ways, for example, as 24720784 + 133241790529 = 4972^2 + 365023^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 133266511313 - 2⁶ = 133266511249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133266511513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824813 + ... + 973061.

It is an arithmetic number, because the mean of its divisors is an integer number (17940103125).

Almost surely, 2^133266511313 is an apocalyptic number.

133266511313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133266511313 is a deficient number, since it is larger than the sum of its proper divisors (10254313687).

133266511313 is a wasteful number, since it uses less digits than its factorization.

133266511313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217411.

The product of its digits is 29160, while the sum is 35.

The spelling of 133266511313 in words is "one hundred thirty-three billion, two hundred sixty-six million, five hundred eleven thousand, three hundred thirteen".