133196909890 has 16 divisors (see below), whose sum is σ = 261550296000. Its totient is φ = 48435239920.

The previous prime is 133196909887. The next prime is 133196909921. The reversal of 133196909890 is 98909691331.

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 7 ways as a sum of consecutive naturals, for example, 605440390 + ... + 605440609.

It is an arithmetic number, because the mean of its divisors is an integer number (16346893500).

Almost surely, 2^133196909890 is an apocalyptic number.

133196909890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133196909890 is a deficient number, since it is larger than the sum of its proper divisors (128353386110).

133196909890 is a wasteful number, since it uses less digits than its factorization.

133196909890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210881017.

The product of its (nonzero) digits is 2834352, while the sum is 58.

The spelling of 133196909890 in words is "one hundred thirty-three billion, one hundred ninety-six million, nine hundred nine thousand, eight hundred ninety".