126375127640 has 32 divisors (see below), whose sum is σ = 287943336000. Its totient is φ = 49910175744.

The previous prime is 126375127601. The next prime is 126375127657. The reversal of 126375127640 is 46721573621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 126375127591 and 126375127600.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19992905 + ... + 19999224.

It is an arithmetic number, because the mean of its divisors is an integer number (8998229250).

Almost surely, 2^126375127640 is an apocalyptic number.

126375127640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126375127640 is an abundant number, since it is smaller than the sum of its proper divisors (161568208360).

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

126375127640 is a wasteful number, since it uses less digits than its factorization.

126375127640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39992219 (or 39992215 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 126375127640 in words is "one hundred twenty-six billion, three hundred seventy-five million, one hundred twenty-seven thousand, six hundred forty".