133161350 has 24 divisors (see below), whose sum is σ = 283063728. Its totient is φ = 45655200.

The previous prime is 133161349. The next prime is 133161403. The reversal of 133161350 is 53161331.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189881 + ... + 190580.

It is an arithmetic number, because the mean of its divisors is an integer number (11794322).

Almost surely, 2^133161350 is an apocalyptic number.

133161350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133161350 is an abundant number, since it is smaller than the sum of its proper divisors (149902378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133161350 is a wasteful number, since it uses less digits than its factorization.

133161350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380480 (or 380475 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 133161350 is about 11539.5558840018. Note that the first 3 decimals coincide. The cubic root of 133161350 is about 510.6532063349.

The spelling of 133161350 in words is "one hundred thirty-three million, one hundred sixty-one thousand, three hundred fifty".