133849699 has 4 divisors (see below), whose sum is σ = 140894440. Its totient is φ = 126804960.

The previous prime is 133849693. The next prime is 133849747. The reversal of 133849699 is 996948331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133849699 - 2¹⁵ = 133816931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133849693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3522342 + ... + 3522379.

It is an arithmetic number, because the mean of its divisors is an integer number (35223610).

Almost surely, 2^133849699 is an apocalyptic number.

133849699 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

133849699 is a deficient number, since it is larger than the sum of its proper divisors (7044741).

133849699 is an equidigital number, since it uses as much as digits as its factorization.

133849699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044740.

The product of its digits is 1259712, while the sum is 52.

The square root of 133849699 is about 11569.3430669161. The cubic root of 133849699 is about 511.5315985419.

The spelling of 133849699 in words is "one hundred thirty-three million, eight hundred forty-nine thousand, six hundred ninety-nine".