133001983 has 2 divisors, whose sum is σ = 133001984. Its totient is φ = 133001982.

The previous prime is 133001959. The next prime is 133002029. The reversal of 133001983 is 389100331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133001983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133001923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66500991 + 66500992.

It is an arithmetic number, because the mean of its divisors is an integer number (66500992).

Almost surely, 2^133001983 is an apocalyptic number.

133001983 is a deficient number, since it is larger than the sum of its proper divisors (1).

133001983 is an equidigital number, since it uses as much as digits as its factorization.

133001983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 133001983 is about 11532.6485683038. The cubic root of 133001983 is about 510.4494090701.

The spelling of 133001983 in words is "one hundred thirty-three million, one thousand, nine hundred eighty-three".