133012345 has 8 divisors (see below), whose sum is σ = 159677064. Its totient is φ = 106368384.

The previous prime is 133012337. The next prime is 133012367. The reversal of 133012345 is 543210331.

It can be written as a sum of positive squares in 4 ways, for example, as 3143529 + 129868816 = 1773^2 + 11396^2 .

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 133012345 - 2³ = 133012337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20317 + ... + 26053.

It is an arithmetic number, because the mean of its divisors is an integer number (19959633).

Almost surely, 2^133012345 is an apocalyptic number.

It is an amenable number.

133012345 is a deficient number, since it is larger than the sum of its proper divisors (26664719).

133012345 is an equidigital number, since it uses as much as digits as its factorization.

133012345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10379.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 133012345 is about 11533.0978058803. The cubic root of 133012345 is about 510.4626648610.

Adding to 133012345 its reverse (543210331), we get a palindrome (676222676).

The spelling of 133012345 in words is "one hundred thirty-three million, twelve thousand, three hundred forty-five".