133687699 has 8 divisors (see below), whose sum is σ = 134890272. Its totient is φ = 132489600.

The previous prime is 133687663. The next prime is 133687703. The reversal of 133687699 is 996786331.

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 133687699 - 2¹⁷ = 133556627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133687639) 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 7 ways as a sum of consecutive naturals, for example, 88797 + ... + 90289.

It is an arithmetic number, because the mean of its divisors is an integer number (16861284).

Almost surely, 2^133687699 is an apocalyptic number.

133687699 is a deficient number, since it is larger than the sum of its proper divisors (1202573).

133687699 is a wasteful number, since it uses less digits than its factorization.

133687699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237.

The product of its digits is 1469664, while the sum is 52.

The square root of 133687699 is about 11562.3396853751. The cubic root of 133687699 is about 511.3251441526.

The spelling of 133687699 in words is "one hundred thirty-three million, six hundred eighty-seven thousand, six hundred ninety-nine".