133806770 has 16 divisors (see below), whose sum is σ = 241044120. Its totient is φ = 53480064.

The previous prime is 133806767. The next prime is 133806781. The reversal of 133806770 is 77608331.

It can be written as a sum of positive squares in 4 ways, for example, as 118744609 + 15062161 = 10897^2 + 3881^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133806770.

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, 9926 + ... + 19134.

Almost surely, 2^133806770 is an apocalyptic number.

133806770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133806770 is a deficient number, since it is larger than the sum of its proper divisors (107237350).

133806770 is a wasteful number, since it uses less digits than its factorization.

133806770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10669.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 133806770 is about 11567.4876269655. The cubic root of 133806770 is about 511.4769056332.

The spelling of 133806770 in words is "one hundred thirty-three million, eight hundred six thousand, seven hundred seventy".