126262289138 has 16 divisors (see below), whose sum is σ = 190590892800. Its totient is φ = 62733028176.

The previous prime is 126262289093. The next prime is 126262289147. The reversal of 126262289138 is 831982262621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14813 + ... + 502736.

It is an arithmetic number, because the mean of its divisors is an integer number (11911930800).

Almost surely, 2^126262289138 is an apocalyptic number.

126262289138 is a deficient number, since it is larger than the sum of its proper divisors (64328603662).

126262289138 is a wasteful number, since it uses less digits than its factorization.

126262289138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518321.

The product of its digits is 995328, while the sum is 50.

The spelling of 126262289138 in words is "one hundred twenty-six billion, two hundred sixty-two million, two hundred eighty-nine thousand, one hundred thirty-eight".