126713172773 has 8 divisors (see below), whose sum is σ = 138237343200. Its totient is φ = 115189800880.

The previous prime is 126713172767. The next prime is 126713172787. The reversal of 126713172773 is 377271317621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126713172773 - 2⁴ = 126713172757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126713172473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160403 + ... + 528351.

It is an arithmetic number, because the mean of its divisors is an integer number (17279667900).

Almost surely, 2^126713172773 is an apocalyptic number.

It is an amenable number.

126713172773 is a deficient number, since it is larger than the sum of its proper divisors (11524170427).

126713172773 is a wasteful number, since it uses less digits than its factorization.

126713172773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399267.

The product of its digits is 518616, while the sum is 47.

The spelling of 126713172773 in words is "one hundred twenty-six billion, seven hundred thirteen million, one hundred seventy-two thousand, seven hundred seventy-three".