133970856 has 32 divisors (see below), whose sum is σ = 341249760. Its totient is φ = 43813952.

The previous prime is 133970839. The next prime is 133970861. The reversal of 133970856 is 658079331.

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 7 ways as a sum of consecutive naturals, for example, 51390 + ... + 53933.

It is an arithmetic number, because the mean of its divisors is an integer number (10664055).

Almost surely, 2^133970856 is an apocalyptic number.

It is an amenable number.

133970856 is an abundant number, since it is smaller than the sum of its proper divisors (207278904).

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

133970856 is a wasteful number, since it uses less digits than its factorization.

133970856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105385 (or 105381 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 133970856 is about 11574.5780052665. The cubic root of 133970856 is about 511.6858933571.

The spelling of 133970856 in words is "one hundred thirty-three million, nine hundred seventy thousand, eight hundred fifty-six".