129541319 has 2 divisors, whose sum is σ = 129541320. Its totient is φ = 129541318.

The previous prime is 129541303. The next prime is 129541331. The reversal of 129541319 is 913145921.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (913145921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129541319 - 2⁴ = 129541303 is a prime.

It is a super-2 number, since 2×129541319² = 33561906656519522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129541019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64770659 + 64770660.

It is an arithmetic number, because the mean of its divisors is an integer number (64770660).

Almost surely, 2^129541319 is an apocalyptic number.

129541319 is a deficient number, since it is larger than the sum of its proper divisors (1).

129541319 is an equidigital number, since it uses as much as digits as its factorization.

129541319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 35.

The square root of 129541319 is about 11381.6219845855. The cubic root of 129541319 is about 505.9832088352.

The spelling of 129541319 in words is "one hundred twenty-nine million, five hundred forty-one thousand, three hundred nineteen".