133860847 has 2 divisors, whose sum is σ = 133860848. Its totient is φ = 133860846.

The previous prime is 133860827. The next prime is 133860877. The reversal of 133860847 is 748068331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133860847 - 2²³ = 125472239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133860827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66930423 + 66930424.

It is an arithmetic number, because the mean of its divisors is an integer number (66930424).

Almost surely, 2^133860847 is an apocalyptic number.

133860847 is a deficient number, since it is larger than the sum of its proper divisors (1).

133860847 is an equidigital number, since it uses as much as digits as its factorization.

133860847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 133860847 is about 11569.8248474210. The cubic root of 133860847 is about 511.5457995350.

The spelling of 133860847 in words is "one hundred thirty-three million, eight hundred sixty thousand, eight hundred forty-seven".