133091371 has 16 divisors (see below), whose sum is σ = 164021760. Its totient is φ = 105433920.

The previous prime is 133091369. The next prime is 133091377. The reversal of 133091371 is 173190331.

It is a cyclic number.

It is not a de Polignac number, because 133091371 - 2¹ = 133091369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133091377) 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, 6751 + ... + 17656.

It is an arithmetic number, because the mean of its divisors is an integer number (10251360).

Almost surely, 2^133091371 is an apocalyptic number.

133091371 is a deficient number, since it is larger than the sum of its proper divisors (30930389).

133091371 is a wasteful number, since it uses less digits than its factorization.

133091371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24474.

The product of its (nonzero) digits is 1701, while the sum is 28.

The square root of 133091371 is about 11536.5233497792. The cubic root of 133091371 is about 510.5637377757.

The spelling of 133091371 in words is "one hundred thirty-three million, ninety-one thousand, three hundred seventy-one".