133683070 has 16 divisors (see below), whose sum is σ = 254784528. Its totient is φ = 50327680.

The previous prime is 133683049. The next prime is 133683071. The reversal of 133683070 is 70386331.

133683070 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133683071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393016 + ... + 393355.

It is an arithmetic number, because the mean of its divisors is an integer number (15924033).

Almost surely, 2^133683070 is an apocalyptic number.

133683070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133683070 is a deficient number, since it is larger than the sum of its proper divisors (121101458).

133683070 is a wasteful number, since it uses less digits than its factorization.

133683070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786395.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 133683070 is about 11562.1395078939. The cubic root of 133683070 is about 511.3192424593.

The spelling of 133683070 in words is "one hundred thirty-three million, six hundred eighty-three thousand, seventy".