133345799 has 8 divisors (see below), whose sum is σ = 138954960. Its totient is φ = 127804096.

The previous prime is 133345783. The next prime is 133345801. The reversal of 133345799 is 997543331.

It is a happy number.

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 133345799 - 2⁴ = 133345783 is a prime.

It is a super-2 number, since 2×133345799² = 35562204221896802, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133345769) 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, 12809 + ... + 20754.

It is an arithmetic number, because the mean of its divisors is an integer number (17369370).

Almost surely, 2^133345799 is an apocalyptic number.

133345799 is a deficient number, since it is larger than the sum of its proper divisors (5609161).

133345799 is a wasteful number, since it uses less digits than its factorization.

133345799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33729.

The product of its digits is 306180, while the sum is 44.

The square root of 133345799 is about 11547.5451503772. The cubic root of 133345799 is about 510.8888753628. Note that the first 4 decimals are identical.

The spelling of 133345799 in words is "one hundred thirty-three million, three hundred forty-five thousand, seven hundred ninety-nine".