133501199 has 4 divisors (see below), whose sum is σ = 143770536. Its totient is φ = 123231864.

The previous prime is 133501189. The next prime is 133501211. The reversal of 133501199 is 991105331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991105331 = 12577 ⋅78803.

It is a cyclic number.

It is not a de Polignac number, because 133501199 - 2²⁰ = 132452623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133501139) 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, 5134649 + ... + 5134674.

It is an arithmetic number, because the mean of its divisors is an integer number (35942634).

Almost surely, 2^133501199 is an apocalyptic number.

133501199 is a deficient number, since it is larger than the sum of its proper divisors (10269337).

133501199 is a wasteful number, since it uses less digits than its factorization.

133501199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10269336.

The product of its (nonzero) digits is 3645, while the sum is 32.

The square root of 133501199 is about 11554.2718939793. The cubic root of 133501199 is about 511.0872600909.

The spelling of 133501199 in words is "one hundred thirty-three million, five hundred one thousand, one hundred ninety-nine".