133723927 has 2 divisors, whose sum is σ = 133723928. Its totient is φ = 133723926.

The previous prime is 133723907. The next prime is 133723943. The reversal of 133723927 is 729327331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133723927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133723907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66861963 + 66861964.

It is an arithmetic number, because the mean of its divisors is an integer number (66861964).

Almost surely, 2^133723927 is an apocalyptic number.

133723927 is a deficient number, since it is larger than the sum of its proper divisors (1).

133723927 is an equidigital number, since it uses as much as digits as its factorization.

133723927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 37.

The square root of 133723927 is about 11563.9062171915. The cubic root of 133723927 is about 511.3713279437.

The spelling of 133723927 in words is "one hundred thirty-three million, seven hundred twenty-three thousand, nine hundred twenty-seven".