133938699 has 8 divisors (see below), whose sum is σ = 189090000. Its totient is φ = 84039936.

The previous prime is 133938697. The next prime is 133938703. The reversal of 133938699 is 996839331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133938699 - 2¹ = 133938697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 2626249 = 133938699 / (1 + 3 + 3 + 9 + 3 + 8 + 6 + 9 + 9).

It is not an unprimeable number, because it can be changed into a prime (133938691) 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, 1313074 + ... + 1313175.

It is an arithmetic number, because the mean of its divisors is an integer number (23636250).

Almost surely, 2^133938699 is an apocalyptic number.

133938699 is a deficient number, since it is larger than the sum of its proper divisors (55151301).

133938699 is a wasteful number, since it uses less digits than its factorization.

133938699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626269.

The product of its digits is 944784, while the sum is 51.

The square root of 133938699 is about 11573.1887999808. The cubic root of 133938699 is about 511.6449501241.

The spelling of 133938699 in words is "one hundred thirty-three million, nine hundred thirty-eight thousand, six hundred ninety-nine".