126936618 has 16 divisors (see below), whose sum is σ = 254388000. Its totient is φ = 42226416.

The previous prime is 126936611. The next prime is 126936619. The reversal of 126936618 is 816639621.

It is a super-2 number, since 2×126936618² = 32225809978555848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126936618.

It is not an unprimeable number, because it can be changed into a prime (126936611) 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 7 ways as a sum of consecutive naturals, for example, 18205 + ... + 24192.

It is an arithmetic number, because the mean of its divisors is an integer number (15899250).

Almost surely, 2^126936618 is an apocalyptic number.

126936618 is an abundant number, since it is smaller than the sum of its proper divisors (127451382).

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

126936618 is a wasteful number, since it uses less digits than its factorization.

126936618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42901.

The product of its digits is 93312, while the sum is 42.

The square root of 126936618 is about 11266.6151971211. The cubic root of 126936618 is about 502.5689358657.

The spelling of 126936618 in words is "one hundred twenty-six million, nine hundred thirty-six thousand, six hundred eighteen".