126435004236 has 36 divisors (see below), whose sum is σ = 319926806472. Its totient is φ = 42101852544.

The previous prime is 126435004217. The next prime is 126435004261. The reversal of 126435004236 is 632400534621.

126435004236 is a `hidden beast` number, since 1 + 2 + 643 + 5 + 0 + 0 + 4 + 2 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 126435004236.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1762210 + ... + 1832553.

Almost surely, 2^126435004236 is an apocalyptic number.

It is an amenable number.

126435004236 is an abundant number, since it is smaller than the sum of its proper divisors (193491802236).

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

126435004236 is a wasteful number, since it uses less digits than its factorization.

126435004236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595750 (or 3595745 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 126435004236 its reverse (632400534621), we get a palindrome (758835538857).

The spelling of 126435004236 in words is "one hundred twenty-six billion, four hundred thirty-five million, four thousand, two hundred thirty-six".