133970 has 8 divisors (see below), whose sum is σ = 241164. Its totient is φ = 53584.

The previous prime is 133967. The next prime is 133979. The reversal of 133970 is 79331.

It can be written as a sum of positive squares in 2 ways, for example, as 116281 + 17689 = 341^2 + 133^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6689 + ... + 6708.

2¹³³⁹⁷⁰ is an apocalyptic number.

133970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133970 is a deficient number, since it is larger than the sum of its proper divisors (107194).

133970 is a wasteful number, since it uses less digits than its factorization.

133970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13404.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 133970 is about 366.0191251834. The cubic root of 133970 is about 51.1684803558.

The spelling of 133970 in words is "one hundred thirty-three thousand, nine hundred seventy".