127516540290 has 16 divisors (see below), whose sum is σ = 306039696768. Its totient is φ = 34004410736.

The previous prime is 127516540267. The next prime is 127516540357. The reversal of 127516540290 is 92045615721.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125275642 + ... + 2125275701.

It is an arithmetic number, because the mean of its divisors is an integer number (19127481048).

Almost surely, 2^127516540290 is an apocalyptic number.

127516540290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127516540290 is an abundant number, since it is smaller than the sum of its proper divisors (178523156478).

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

127516540290 is a wasteful number, since it uses less digits than its factorization.

127516540290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250551353.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 127516540290 in words is "one hundred twenty-seven billion, five hundred sixteen million, five hundred forty thousand, two hundred ninety".