126814826690 has 16 divisors (see below), whose sum is σ = 229109005440. Its totient is φ = 50538749040.

The previous prime is 126814826689. The next prime is 126814826707. The reversal of 126814826690 is 96628418621.

It is a super-2 number, since 2×126814826690² (a number of 23 digits) contains 22 as substring.

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, 23394860 + ... + 23400279.

It is an arithmetic number, because the mean of its divisors is an integer number (14319312840).

Almost surely, 2^126814826690 is an apocalyptic number.

126814826690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126814826690 is a deficient number, since it is larger than the sum of its proper divisors (102294178750).

126814826690 is a wasteful number, since it uses less digits than its factorization.

126814826690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46795417.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 126814826690 in words is "one hundred twenty-six billion, eight hundred fourteen million, eight hundred twenty-six thousand, six hundred ninety".