127729400694 has 16 divisors (see below), whose sum is σ = 291952915968. Its totient is φ = 36494114472.

The previous prime is 127729400677. The next prime is 127729400731. The reversal of 127729400694 is 496004927721.

It is a congruent 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, 1520588062 + ... + 1520588145.

It is an arithmetic number, because the mean of its divisors is an integer number (18247057248).

Almost surely, 2^127729400694 is an apocalyptic number.

127729400694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

127729400694 is an abundant number, since it is smaller than the sum of its proper divisors (164223515274).

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

127729400694 is a wasteful number, since it uses less digits than its factorization.

127729400694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041176219.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 127729400694 in words is "one hundred twenty-seven billion, seven hundred twenty-nine million, four hundred thousand, six hundred ninety-four".