133970735 has 4 divisors (see below), whose sum is σ = 160764888. Its totient is φ = 107176584.

The previous prime is 133970723. The next prime is 133970737. The reversal of 133970735 is 537079331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133970735 - 2⁸ = 133970479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133970737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13397069 + ... + 13397078.

It is an arithmetic number, because the mean of its divisors is an integer number (40191222).

Almost surely, 2^133970735 is an apocalyptic number.

133970735 is a deficient number, since it is larger than the sum of its proper divisors (26794153).

133970735 is an equidigital number, since it uses as much as digits as its factorization.

133970735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26794152.

The product of its (nonzero) digits is 59535, while the sum is 38.

The square root of 133970735 is about 11574.5727782929. The cubic root of 133970735 is about 511.6857393087.

The spelling of 133970735 in words is "one hundred thirty-three million, nine hundred seventy thousand, seven hundred thirty-five".