133663610587 has 8 divisors (see below), whose sum is σ = 151521502160. Its totient is φ = 116888015520.

The previous prime is 133663610579. The next prime is 133663610611. The reversal of 133663610587 is 785016366331.

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 133663610587 - 2³ = 133663610579 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 133663610587.

It is not an unprimeable number, because it can be changed into a prime (133663610527) 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, 270573864 + ... + 270574357.

It is an arithmetic number, because the mean of its divisors is an integer number (18940187770).

Almost surely, 2^133663610587 is an apocalyptic number.

133663610587 is a deficient number, since it is larger than the sum of its proper divisors (17857891573).

133663610587 is a wasteful number, since it uses less digits than its factorization.

133663610587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541148253.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 133663610587 in words is "one hundred thirty-three billion, six hundred sixty-three million, six hundred ten thousand, five hundred eighty-seven".