126710380309 has 8 divisors (see below), whose sum is σ = 127327273472. Its totient is φ = 126094585680.

The previous prime is 126710380273. The next prime is 126710380331. The reversal of 126710380309 is 903083017621.

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

It is a cyclic number.

It is not a de Polignac number, because 126710380309 - 2³⁵ = 92350641941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126710380009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42909 + ... + 505234.

It is an arithmetic number, because the mean of its divisors is an integer number (15915909184).

Almost surely, 2^126710380309 is an apocalyptic number.

It is an amenable number.

126710380309 is a deficient number, since it is larger than the sum of its proper divisors (616893163).

126710380309 is an equidigital number, since it uses as much as digits as its factorization.

126710380309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549267.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 126710380309 in words is "one hundred twenty-six billion, seven hundred ten million, three hundred eighty thousand, three hundred nine".