127746135442040 has 64 divisors (see below), whose sum is σ = 288460246809600. Its totient is φ = 50915106479232.

The previous prime is 127746135442039. The next prime is 127746135442049. The reversal of 127746135442040 is 40244531647721.

It is a self number, because there is not a number n which added to its sum of digits gives 127746135442040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127746135442049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212957969 + ... + 213556991.

It is an arithmetic number, because the mean of its divisors is an integer number (4507191356400).

Almost surely, 2^{127746135442040} is an apocalyptic number.

127746135442040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127746135442040 is an abundant number, since it is smaller than the sum of its proper divisors (160714111367560).

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

127746135442040 is a wasteful number, since it uses less digits than its factorization.

127746135442040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618156 (or 618152 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 50.

The spelling of 127746135442040 in words is "one hundred twenty-seven trillion, seven hundred forty-six billion, one hundred thirty-five million, four hundred forty-two thousand, forty".