133472863 has 4 divisors (see below), whose sum is σ = 133500208. Its totient is φ = 133445520.

The previous prime is 133472861. The next prime is 133472893. The reversal of 133472863 is 368274331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368274331 = 13171 ⋅27961.

It is a cyclic number.

It is not a de Polignac number, because 133472863 - 2¹ = 133472861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133472861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4131 + ... + 16852.

It is an arithmetic number, because the mean of its divisors is an integer number (33375052).

Almost surely, 2^133472863 is an apocalyptic number.

133472863 is a deficient number, since it is larger than the sum of its proper divisors (27345).

133472863 is an equidigital number, since it uses as much as digits as its factorization.

133472863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27344.

The product of its digits is 72576, while the sum is 37.

The square root of 133472863 is about 11553.0456157673. The cubic root of 133472863 is about 511.0510976358.

The spelling of 133472863 in words is "one hundred thirty-three million, four hundred seventy-two thousand, eight hundred sixty-three".