129734022458 has 4 divisors (see below), whose sum is σ = 194601033690. Its totient is φ = 64867011228.

The previous prime is 129734022443. The next prime is 129734022461. The reversal of 129734022458 is 854220437921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 64929664969 + 64804357489 = 254813^2 + 254567^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32433505613 + ... + 32433505616.

Almost surely, 2^129734022458 is an apocalyptic number.

129734022458 is a deficient number, since it is larger than the sum of its proper divisors (64867011232).

129734022458 is an equidigital number, since it uses as much as digits as its factorization.

129734022458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64867011231.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 129734022458 in words is "one hundred twenty-nine billion, seven hundred thirty-four million, twenty-two thousand, four hundred fifty-eight".