133272699218 has 4 divisors (see below), whose sum is σ = 199909048830. Its totient is φ = 66636349608.

The previous prime is 133272699169. The next prime is 133272699221. The reversal of 133272699218 is 812996272331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 130431489409 + 2841209809 = 361153^2 + 53303^2 .

It is a super-2 number, since 2×133272699218² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133272699218.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33318174803 + ... + 33318174806.

Almost surely, 2^133272699218 is an apocalyptic number.

133272699218 is a deficient number, since it is larger than the sum of its proper divisors (66636349612).

133272699218 is an equidigital number, since it uses as much as digits as its factorization.

133272699218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66636349611.

The product of its digits is 1959552, while the sum is 53.

The spelling of 133272699218 in words is "one hundred thirty-three billion, two hundred seventy-two million, six hundred ninety-nine thousand, two hundred eighteen".