126168104138713 has 48 divisors (see below), whose sum is σ = 161691838991760. Its totient is φ = 97554556237824.

The previous prime is 126168104138677. The next prime is 126168104138777. The reversal of 126168104138713 is 317831401861621.

It can be written as a sum of positive squares in 8 ways, for example, as 12768351398089 + 113399752740624 = 3573283^2 + 10648932^2 .

It is not a de Polignac number, because 126168104138713 - 2³⁷ = 126030665185241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126166104138713) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7377420 + ... + 17514637.

It is an arithmetic number, because the mean of its divisors is an integer number (3368579978995).

Almost surely, 2^{126168104138713} is an apocalyptic number.

126168104138713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

126168104138713 is a deficient number, since it is larger than the sum of its proper divisors (35523734853047).

126168104138713 is a wasteful number, since it uses less digits than its factorization.

126168104138713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24892266 (or 24892259 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 126168104138713 in words is "one hundred twenty-six trillion, one hundred sixty-eight billion, one hundred four million, one hundred thirty-eight thousand, seven hundred thirteen".