127834091290 has 16 divisors (see below), whose sum is σ = 230138571168. Its totient is φ = 51125368336.

The previous prime is 127834091263. The next prime is 127834091299. The reversal of 127834091290 is 92190438721.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 127834091290.

It is not an unprimeable number, because it can be changed into a prime (127834091299) by changing a digit.

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, 968392 + ... + 1092451.

It is an arithmetic number, because the mean of its divisors is an integer number (14383660698).

Almost surely, 2^127834091290 is an apocalyptic number.

127834091290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127834091290 is a deficient number, since it is larger than the sum of its proper divisors (102304479878).

127834091290 is a wasteful number, since it uses less digits than its factorization.

127834091290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067053.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 127834091290 in words is "one hundred twenty-seven billion, eight hundred thirty-four million, ninety-one thousand, two hundred ninety".