133161086 has 4 divisors (see below), whose sum is σ = 199741632. Its totient is φ = 66580542.

The previous prime is 133161079. The next prime is 133161097. The reversal of 133161086 is 680161331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 680161331 = 29 ⋅23453839.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33290270 + ... + 33290273.

It is an arithmetic number, because the mean of its divisors is an integer number (49935408).

Almost surely, 2^133161086 is an apocalyptic number.

133161086 is a deficient number, since it is larger than the sum of its proper divisors (66580546).

133161086 is an equidigital number, since it uses as much as digits as its factorization.

133161086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66580545.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 133161086 is about 11539.5444450810. The cubic root of 133161086 is about 510.6528688683.

The spelling of 133161086 in words is "one hundred thirty-three million, one hundred sixty-one thousand, eighty-six".