133159850 has 48 divisors (see below), whose sum is σ = 255218040. Its totient is φ = 51667200.

The previous prime is 133159837. The next prime is 133159853. The reversal of 133159850 is 58951331.

It can be written as a sum of positive squares in 12 ways, for example, as 17833729 + 115326121 = 4223^2 + 10739^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133159850.

It is not an unprimeable number, because it can be changed into a prime (133159853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288620 + ... + 289080.

Almost surely, 2^133159850 is an apocalyptic number.

133159850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133159850 is a deficient number, since it is larger than the sum of its proper divisors (122058190).

133159850 is a wasteful number, since it uses less digits than its factorization.

133159850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 133159850 is about 11539.4908899830. The cubic root of 133159850 is about 510.6512889050.

The spelling of 133159850 in words is "one hundred thirty-three million, one hundred fifty-nine thousand, eight hundred fifty".