126760209156 has 189 divisors, whose sum is σ = 375998119861. Its totient is φ = 36007854624.

The previous prime is 126760209083. The next prime is 126760209187. The reversal of 126760209156 is 651902067621.

The square root of 126760209156 is 356034.

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

126760209156 is a `hidden beast` number, since 1 + 26 + 7 + 602 + 0 + 9 + 15 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 115307784900 + 11452424256 = 339570^2 + 107016^2 .

It is an unprimeable number.

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 62 ways as a sum of consecutive naturals, for example, 732717886 + ... + 732718058.

Almost surely, 2^126760209156 is an apocalyptic number.

126760209156 is the 356034-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126760209156

126760209156 is an abundant number, since it is smaller than the sum of its proper divisors (249237910705).

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

126760209156 is an frugal number, since it uses more digits than its factorization.

126760209156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 126760209156 in words is "one hundred twenty-six billion, seven hundred sixty million, two hundred nine thousand, one hundred fifty-six".