133686050 has 12 divisors (see below), whose sum is σ = 248656146. Its totient is φ = 53474400.

The previous prime is 133686037. The next prime is 133686061. The reversal of 133686050 is 50686331.

It can be written as a sum of positive squares in 3 ways, for example, as 120934009 + 12752041 = 10997^2 + 3571^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133685998 and 133686016.

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 5 ways as a sum of consecutive naturals, for example, 1336811 + ... + 1336910.

Almost surely, 2^133686050 is an apocalyptic number.

133686050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133686050 is a deficient number, since it is larger than the sum of its proper divisors (114970096).

133686050 is a wasteful number, since it uses less digits than its factorization.

133686050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673733 (or 2673728 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 133686050 is about 11562.2683760584. The cubic root of 133686050 is about 511.3230417936.

The spelling of 133686050 in words is "one hundred thirty-three million, six hundred eighty-six thousand, fifty".