126336251313 has 8 divisors (see below), whose sum is σ = 187164816800. Its totient is φ = 84224167524.

The previous prime is 126336251263. The next prime is 126336251347. The reversal of 126336251313 is 313152633621.

126336251313 is a `hidden beast` number, since 1 + 2 + 6 + 3 + 3 + 625 + 13 + 13 = 666.

It is not a de Polignac number, because 126336251313 - 2⁹ = 126336250801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126336151313) 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, 2339560183 + ... + 2339560236.

It is an arithmetic number, because the mean of its divisors is an integer number (23395602100).

Almost surely, 2^126336251313 is an apocalyptic number.

It is an amenable number.

126336251313 is a deficient number, since it is larger than the sum of its proper divisors (60828565487).

126336251313 is an equidigital number, since it uses as much as digits as its factorization.

126336251313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679120428 (or 4679120422 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

Adding to 126336251313 its reverse (313152633621), we get a palindrome (439488884934).

The spelling of 126336251313 in words is "one hundred twenty-six billion, three hundred thirty-six million, two hundred fifty-one thousand, three hundred thirteen".