129732983 has 2 divisors, whose sum is σ = 129732984. Its totient is φ = 129732982.

The previous prime is 129732973. The next prime is 129732991. The reversal of 129732983 is 389237921.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129732983 - 2⁶ = 129732919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129732943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64866491 + 64866492.

It is an arithmetic number, because the mean of its divisors is an integer number (64866492).

Almost surely, 2^129732983 is an apocalyptic number.

129732983 is a deficient number, since it is larger than the sum of its proper divisors (1).

129732983 is an equidigital number, since it uses as much as digits as its factorization.

129732983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 129732983 is about 11390.0387620060. The cubic root of 129732983 is about 506.2326298364.

The spelling of 129732983 in words is "one hundred twenty-nine million, seven hundred thirty-two thousand, nine hundred eighty-three".