126646478013 has 8 divisors (see below), whose sum is σ = 184213058976. Its totient is φ = 76755441200.

The previous prime is 126646478011. The next prime is 126646478089. The reversal of 126646478013 is 310874646621.

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 126646478013 - 2¹ = 126646478011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126646478011) 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, 1918885998 + ... + 1918886063.

It is an arithmetic number, because the mean of its divisors is an integer number (23026632372).

Almost surely, 2^126646478013 is an apocalyptic number.

It is an amenable number.

126646478013 is a deficient number, since it is larger than the sum of its proper divisors (57566580963).

126646478013 is a wasteful number, since it uses less digits than its factorization.

126646478013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837772075.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 126646478013 in words is "one hundred twenty-six billion, six hundred forty-six million, four hundred seventy-eight thousand, thirteen".