133856097 has 8 divisors (see below), whose sum is σ = 178818144. Its totient is φ = 89065728.

The previous prime is 133856057. The next prime is 133856117. The reversal of 133856097 is 790658331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-133856097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133856057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41088 + ... + 44225.

It is an arithmetic number, because the mean of its divisors is an integer number (22352268).

Almost surely, 2^133856097 is an apocalyptic number.

It is an amenable number.

133856097 is a deficient number, since it is larger than the sum of its proper divisors (44962047).

133856097 is an equidigital number, since it uses as much as digits as its factorization.

133856097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85839.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 133856097 is about 11569.6195702365. The cubic root of 133856097 is about 511.5397487956.

The spelling of 133856097 in words is "one hundred thirty-three million, eight hundred fifty-six thousand, ninety-seven".