126642600136 has 16 divisors (see below), whose sum is σ = 255720635100. Its totient is φ = 58450430784.

The previous prime is 126642600067. The next prime is 126642600143. The reversal of 126642600136 is 631006246621.

It can be written as a sum of positive squares in 2 ways, for example, as 126017900100 + 624700036 = 354990^2 + 24994^2 .

It is a junction number, because it is equal to n+sod(n) for n = 126642600095 and 126642600104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608858551 + ... + 608858758.

Almost surely, 2^126642600136 is an apocalyptic number.

It is an amenable number.

126642600136 is an abundant number, since it is smaller than the sum of its proper divisors (129078034964).

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

126642600136 is a wasteful number, since it uses less digits than its factorization.

126642600136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217717328 (or 1217717324 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 126642600136 its reverse (631006246621), we get a palindrome (757648846757).

The spelling of 126642600136 in words is "one hundred twenty-six billion, six hundred forty-two million, six hundred thousand, one hundred thirty-six".