133029870 has 16 divisors (see below), whose sum is σ = 319271760. Its totient is φ = 35474624.

The previous prime is 133029859. The next prime is 133029889. The reversal of 133029870 is 78920331.

It is a congruent number.

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, 2217135 + ... + 2217194.

It is an arithmetic number, because the mean of its divisors is an integer number (19954485).

Almost surely, 2^133029870 is an apocalyptic number.

133029870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133029870 is an abundant number, since it is smaller than the sum of its proper divisors (186241890).

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

133029870 is a wasteful number, since it uses less digits than its factorization.

133029870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434339.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 133029870 is about 11533.8575507070. The cubic root of 133029870 is about 510.4850824928.

The spelling of 133029870 in words is "one hundred thirty-three million, twenty-nine thousand, eight hundred seventy".