126640188329473 has 96 divisors (see below), whose sum is σ = 162225266784000. Its totient is φ = 97964525869056.

The previous prime is 126640188329383. The next prime is 126640188329483. The reversal of 126640188329473 is 374923881046621.

It is not a de Polignac number, because 126640188329473 - 2¹³ = 126640188321281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126640188329483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3473668261 + ... + 3473704717.

It is an arithmetic number, because the mean of its divisors is an integer number (1689846529000).

Almost surely, 2^{126640188329473} is an apocalyptic number.

126640188329473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

126640188329473 is a deficient number, since it is larger than the sum of its proper divisors (35585078454527).

126640188329473 is a wasteful number, since it uses less digits than its factorization.

126640188329473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37159 (or 37152 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 64.

The spelling of 126640188329473 in words is "one hundred twenty-six trillion, six hundred forty billion, one hundred eighty-eight million, three hundred twenty-nine thousand, four hundred seventy-three".