126939566030 has 16 divisors (see below), whose sum is σ = 228547391184. Its totient is φ = 50763343680.

The previous prime is 126939566027. The next prime is 126939566077. The reversal of 126939566030 is 30665939621.

It is a super-2 number, since 2×126939566030² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126939566030.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1517576 + ... + 1599035.

It is an arithmetic number, because the mean of its divisors is an integer number (14284211949).

Almost surely, 2^126939566030 is an apocalyptic number.

126939566030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126939566030 is a deficient number, since it is larger than the sum of its proper divisors (101607825154).

126939566030 is a wasteful number, since it uses less digits than its factorization.

126939566030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120691.

The product of its (nonzero) digits is 1574640, while the sum is 50.

The spelling of 126939566030 in words is "one hundred twenty-six billion, nine hundred thirty-nine million, five hundred sixty-six thousand, thirty".