133690699 has 2 divisors, whose sum is σ = 133690700. Its totient is φ = 133690698.

The previous prime is 133690691. The next prime is 133690717. The reversal of 133690699 is 996096331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133690699 - 2³ = 133690691 is a prime.

It is not a weakly prime, because it can be changed into another prime (133690691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66845349 + 66845350.

It is an arithmetic number, because the mean of its divisors is an integer number (66845350).

Almost surely, 2^133690699 is an apocalyptic number.

133690699 is a deficient number, since it is larger than the sum of its proper divisors (1).

133690699 is an equidigital number, since it uses as much as digits as its factorization.

133690699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 236196, while the sum is 46.

The square root of 133690699 is about 11562.4694161758. The cubic root of 133690699 is about 511.3289688973.

The spelling of 133690699 in words is "one hundred thirty-three million, six hundred ninety thousand, six hundred ninety-nine".