133266275427 has 4 divisors (see below), whose sum is σ = 177688367240. Its totient is φ = 88844183616.

The previous prime is 133266275413. The next prime is 133266275453. The reversal of 133266275427 is 724572662331.

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

It is not a de Polignac number, because 133266275427 - 2¹² = 133266271331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133266275477) 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, 22211045902 + ... + 22211045907.

It is an arithmetic number, because the mean of its divisors is an integer number (44422091810).

Almost surely, 2^133266275427 is an apocalyptic number.

133266275427 is a deficient number, since it is larger than the sum of its proper divisors (44422091813).

133266275427 is an equidigital number, since it uses as much as digits as its factorization.

133266275427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44422091812.

The product of its digits is 2540160, while the sum is 48.

The spelling of 133266275427 in words is "one hundred thirty-three billion, two hundred sixty-six million, two hundred seventy-five thousand, four hundred twenty-seven".