126839973316 has 27 divisors (see below), whose sum is σ = 258220096239. Its totient is φ = 54357851688.

The previous prime is 126839973251. The next prime is 126839973341. The reversal of 126839973316 is 613379938621.

The square root of 126839973316 is 356146.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4973325 + ... + 4998763.

Almost surely, 2^126839973316 is an apocalyptic number.

126839973316 is the 356146-th square number.

It is an amenable number.

126839973316 is an abundant number, since it is smaller than the sum of its proper divisors (131380122923).

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

126839973316 is an frugal number, since it uses more digits than its factorization.

126839973316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50896 (or 25448 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 58.

The spelling of 126839973316 in words is "one hundred twenty-six billion, eight hundred thirty-nine million, nine hundred seventy-three thousand, three hundred sixteen".