126745081653 has 16 divisors (see below), whose sum is σ = 175708241280. Its totient is φ = 81168902976.

The previous prime is 126745081637. The next prime is 126745081681. The reversal of 126745081653 is 356180547621.

It is not a de Polignac number, because 126745081653 - 2⁴ = 126745081637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126745086653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3680425 + ... + 3714702.

It is an arithmetic number, because the mean of its divisors is an integer number (10981765080).

Almost surely, 2^126745081653 is an apocalyptic number.

It is an amenable number.

126745081653 is a deficient number, since it is larger than the sum of its proper divisors (48963159627).

126745081653 is a wasteful number, since it uses less digits than its factorization.

126745081653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7395356.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 126745081653 in words is "one hundred twenty-six billion, seven hundred forty-five million, eighty-one thousand, six hundred fifty-three".