129390463 has 2 divisors, whose sum is σ = 129390464. Its totient is φ = 129390462.

The previous prime is 129390461. The next prime is 129390487. The reversal of 129390463 is 364093921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129390463 - 2¹ = 129390461 is a prime.

Together with 129390461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129390461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64695231 + 64695232.

It is an arithmetic number, because the mean of its divisors is an integer number (64695232).

Almost surely, 2^129390463 is an apocalyptic number.

129390463 is a deficient number, since it is larger than the sum of its proper divisors (1).

129390463 is an equidigital number, since it uses as much as digits as its factorization.

129390463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 129390463 is about 11374.9928791187. The cubic root of 129390463 is about 505.7867200425.

The spelling of 129390463 in words is "one hundred twenty-nine million, three hundred ninety thousand, four hundred sixty-three".