129214377434 has 8 divisors (see below), whose sum is σ = 193844962740. Its totient is φ = 64599389856.

The previous prime is 129214377379. The next prime is 129214377493. The reversal of 129214377434 is 434773412921.

It can be written as a sum of positive squares in 2 ways, for example, as 117851457025 + 11362920409 = 343295^2 + 106597^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3878699 + ... + 3911870.

Almost surely, 2^129214377434 is an apocalyptic number.

129214377434 is a deficient number, since it is larger than the sum of its proper divisors (64630585306).

129214377434 is an equidigital number, since it uses as much as digits as its factorization.

129214377434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7798864.

The product of its digits is 1016064, while the sum is 47.

The spelling of 129214377434 in words is "one hundred twenty-nine billion, two hundred fourteen million, three hundred seventy-seven thousand, four hundred thirty-four".