129340583 has 2 divisors, whose sum is σ = 129340584. Its totient is φ = 129340582.

The previous prime is 129340579. The next prime is 129340613. The reversal of 129340583 is 385043921.

It is a weak prime.

It is an emirp because it is prime and its reverse (385043921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129340583 - 2² = 129340579 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129340553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64670291 + 64670292.

It is an arithmetic number, because the mean of its divisors is an integer number (64670292).

Almost surely, 2^129340583 is an apocalyptic number.

129340583 is a deficient number, since it is larger than the sum of its proper divisors (1).

129340583 is an equidigital number, since it uses as much as digits as its factorization.

129340583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 129340583 is about 11372.8001389280. The cubic root of 129340583 is about 505.7217181261.

The spelling of 129340583 in words is "one hundred twenty-nine million, three hundred forty thousand, five hundred eighty-three".