133863007 has 4 divisors (see below), whose sum is σ = 135243136. Its totient is φ = 132482880.

The previous prime is 133862987. The next prime is 133863011. The reversal of 133863007 is 700368331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133863007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133863007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133863307) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 689919 + ... + 690112.

It is an arithmetic number, because the mean of its divisors is an integer number (33810784).

Almost surely, 2^133863007 is an apocalyptic number.

133863007 is a deficient number, since it is larger than the sum of its proper divisors (1380129).

133863007 is an equidigital number, since it uses as much as digits as its factorization.

133863007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380128.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 133863007 is about 11569.9181933149. The cubic root of 133863007 is about 511.5485509817.

The spelling of 133863007 in words is "one hundred thirty-three million, eight hundred sixty-three thousand, seven".