133672845 has 8 divisors (see below), whose sum is σ = 213876576. Its totient is φ = 71292176.

The previous prime is 133672843. The next prime is 133672859. The reversal of 133672845 is 548276331.

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 133672845 - 2¹ = 133672843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133672843) 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, 4455747 + ... + 4455776.

It is an arithmetic number, because the mean of its divisors is an integer number (26734572).

Almost surely, 2^133672845 is an apocalyptic number.

133672845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133672845 is a deficient number, since it is larger than the sum of its proper divisors (80203731).

133672845 is an equidigital number, since it uses as much as digits as its factorization.

133672845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8911531.

The product of its digits is 120960, while the sum is 39.

The square root of 133672845 is about 11561.6973234902. The cubic root of 133672845 is about 511.3062057236.

The spelling of 133672845 in words is "one hundred thirty-three million, six hundred seventy-two thousand, eight hundred forty-five".