133859950 has 24 divisors (see below), whose sum is σ = 284548752. Its totient is φ = 45894720.

The previous prime is 133859941. The next prime is 133859983. The reversal of 133859950 is 59958331.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 133859897 and 133859906.

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, 190879 + ... + 191578.

It is an arithmetic number, because the mean of its divisors is an integer number (11856198).

Almost surely, 2^133859950 is an apocalyptic number.

133859950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133859950 is an abundant number, since it is smaller than the sum of its proper divisors (150688802).

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

133859950 is a wasteful number, since it uses less digits than its factorization.

133859950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382476 (or 382471 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 133859950 is about 11569.7860827243. The cubic root of 133859950 is about 511.5446569116.

It can be divided in two parts, 1338599 and 50, that added together give a square (1338649 = 1157²).

The spelling of 133859950 in words is "one hundred thirty-three million, eight hundred fifty-nine thousand, nine hundred fifty".