133013899 has 16 divisors (see below), whose sum is σ = 148357440. Its totient is φ = 118609920.

The previous prime is 133013893. The next prime is 133013911. The reversal of 133013899 is 998310331.

It is a cyclic number.

It is not a de Polignac number, because 133013899 - 2¹⁹ = 132489611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133013893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41059 + ... + 44179.

It is an arithmetic number, because the mean of its divisors is an integer number (9272340).

Almost surely, 2^133013899 is an apocalyptic number.

133013899 is a deficient number, since it is larger than the sum of its proper divisors (15343541).

133013899 is a wasteful number, since it uses less digits than its factorization.

133013899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 133013899 is about 11533.1651770015. The cubic root of 133013899 is about 510.4646527865.

The spelling of 133013899 in words is "one hundred thirty-three million, thirteen thousand, eight hundred ninety-nine".