133850138 has 16 divisors (see below), whose sum is σ = 208257480. Its totient is φ = 64443456.

The previous prime is 133850113. The next prime is 133850141. The reversal of 133850138 is 831058331.

It can be written as a sum of positive squares in 4 ways, for example, as 128890609 + 4959529 = 11353^2 + 2227^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20120 + ... + 25932.

Almost surely, 2^133850138 is an apocalyptic number.

133850138 is a deficient number, since it is larger than the sum of its proper divisors (74407342).

133850138 is a wasteful number, since it uses less digits than its factorization.

133850138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 133850138 is about 11569.3620394558. The cubic root of 133850138 is about 511.5321577814.

The spelling of 133850138 in words is "one hundred thirty-three million, eight hundred fifty thousand, one hundred thirty-eight".