133863085 has 8 divisors (see below), whose sum is σ = 164371680. Its totient is φ = 104599824.

The previous prime is 133863071. The next prime is 133863089. The reversal of 133863085 is 580368331.

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 133863085 - 2¹¹ = 133861037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133863089) 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, 311095 + ... + 311524.

It is an arithmetic number, because the mean of its divisors is an integer number (20546460).

Almost surely, 2^133863085 is an apocalyptic number.

It is an amenable number.

133863085 is a deficient number, since it is larger than the sum of its proper divisors (30508595).

133863085 is an equidigital number, since it uses as much as digits as its factorization.

133863085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622667.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 133863085 is about 11569.9215641248. The cubic root of 133863085 is about 511.5486503390.

It can be divided in two parts, 13386 and 3085, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 133863085 in words is "one hundred thirty-three million, eight hundred sixty-three thousand, eighty-five".