133720935 has 8 divisors (see below), whose sum is σ = 213953520. Its totient is φ = 71317824.

The previous prime is 133720921. The next prime is 133720957. The reversal of 133720935 is 539027331.

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

It is not a de Polignac number, because 133720935 - 2⁶ = 133720871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133720896 and 133720905.

It is a congruent number.

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, 4457350 + ... + 4457379.

It is an arithmetic number, because the mean of its divisors is an integer number (26744190).

Almost surely, 2^133720935 is an apocalyptic number.

133720935 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133720935 is a deficient number, since it is larger than the sum of its proper divisors (80232585).

133720935 is an equidigital number, since it uses as much as digits as its factorization.

133720935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8914737.

The product of its (nonzero) digits is 17010, while the sum is 33.

The square root of 133720935 is about 11563.7768484176. The cubic root of 133720935 is about 511.3675140303.

The spelling of 133720935 in words is "one hundred thirty-three million, seven hundred twenty thousand, nine hundred thirty-five".