129374327 has 2 divisors, whose sum is σ = 129374328. Its totient is φ = 129374326.

The previous prime is 129374321. The next prime is 129374339. The reversal of 129374327 is 723473921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129374327 - 2¹⁸ = 129112183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129374321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64687163 + 64687164.

It is an arithmetic number, because the mean of its divisors is an integer number (64687164).

Almost surely, 2^129374327 is an apocalyptic number.

129374327 is a deficient number, since it is larger than the sum of its proper divisors (1).

129374327 is an equidigital number, since it uses as much as digits as its factorization.

129374327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 38.

The square root of 129374327 is about 11374.2835818349. The cubic root of 129374327 is about 505.7656939854.

The spelling of 129374327 in words is "one hundred twenty-nine million, three hundred seventy-four thousand, three hundred twenty-seven".