133733870 has 16 divisors (see below), whose sum is σ = 246319920. Its totient is φ = 52249344.

The previous prime is 133733867. The next prime is 133733879. The reversal of 133733870 is 78337331.

133733870 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 133733870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133733879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155075 + ... + 155934.

It is an arithmetic number, because the mean of its divisors is an integer number (15394995).

Almost surely, 2^133733870 is an apocalyptic number.

133733870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133733870 is a deficient number, since it is larger than the sum of its proper divisors (112586050).

133733870 is a wasteful number, since it uses less digits than its factorization.

133733870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311059.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 133733870 is about 11564.3361244820. The cubic root of 133733870 is about 511.3840019136.

The spelling of 133733870 in words is "one hundred thirty-three million, seven hundred thirty-three thousand, eight hundred seventy".