133199405 has 24 divisors (see below), whose sum is σ = 173973600. Its totient is φ = 97627680.

The previous prime is 133199399. The next prime is 133199413. The reversal of 133199405 is 504991331.

It is not a de Polignac number, because 133199405 - 2¹⁴ = 133183021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90566 + ... + 92024.

It is an arithmetic number, because the mean of its divisors is an integer number (7248900).

Almost surely, 2^133199405 is an apocalyptic number.

It is an amenable number.

133199405 is a deficient number, since it is larger than the sum of its proper divisors (40774195).

133199405 is a wasteful number, since it uses less digits than its factorization.

133199405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 133199405 is about 11541.2046598265. The cubic root of 133199405 is about 510.7018467172.

The spelling of 133199405 in words is "one hundred thirty-three million, one hundred ninety-nine thousand, four hundred five".