129126391414 has 8 divisors (see below), whose sum is σ = 193700218680. Its totient is φ = 64559651856.

The previous prime is 129126391313. The next prime is 129126391441. The reversal of 129126391414 is 414193621921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1726144 + ... + 1799395.

It is an arithmetic number, because the mean of its divisors is an integer number (24212527335).

Almost surely, 2^129126391414 is an apocalyptic number.

129126391414 is a deficient number, since it is larger than the sum of its proper divisors (64573827266).

129126391414 is a wasteful number, since it uses less digits than its factorization.

129126391414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543854.

The product of its digits is 93312, while the sum is 43.

The spelling of 129126391414 in words is "one hundred twenty-nine billion, one hundred twenty-six million, three hundred ninety-one thousand, four hundred fourteen".