127405541338 has 16 divisors (see below), whose sum is σ = 195856901856. Its totient is φ = 62124516720.

The previous prime is 127405541321. The next prime is 127405541377. The reversal of 127405541338 is 833145504721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 127405541294 and 127405541303.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1096693 + ... + 1207288.

It is an arithmetic number, because the mean of its divisors is an integer number (12241056366).

Almost surely, 2^127405541338 is an apocalyptic number.

127405541338 is a deficient number, since it is larger than the sum of its proper divisors (68451360518).

127405541338 is a wasteful number, since it uses less digits than its factorization.

127405541338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304669.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 127405541338 in words is "one hundred twenty-seven billion, four hundred five million, five hundred forty-one thousand, three hundred thirty-eight".