126400014 has 80 divisors (see below), whose sum is σ = 311750208. Its totient is φ = 38035008.

The previous prime is 126400013. The next prime is 126400031. The reversal of 126400014 is 410004621.

126400014 is a `hidden beast` number, since 12 + 640 + 0 + 0 + 14 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 126400014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126400013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 98344 + ... + 99620.

Almost surely, 2^126400014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126400014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155875104).

126400014 is an abundant number, since it is smaller than the sum of its proper divisors (185350194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126400014 is a wasteful number, since it uses less digits than its factorization.

126400014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 126400014 is about 11242.7760806662. The cubic root of 126400014 is about 501.8597593472.

Adding to 126400014 its reverse (410004621), we get a palindrome (536404635).

The spelling of 126400014 in words is "one hundred twenty-six million, four hundred thousand, fourteen".