126316654635 has 32 divisors (see below), whose sum is σ = 202910303232. Its totient is φ = 67101520640.

The previous prime is 126316654631. The next prime is 126316654637. The reversal of 126316654635 is 536456613621.

It is not a de Polignac number, because 126316654635 - 2² = 126316654631 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126316654631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3973072 + ... + 4004738.

It is an arithmetic number, because the mean of its divisors is an integer number (6340946976).

Almost surely, 2^126316654635 is an apocalyptic number.

126316654635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126316654635 is a deficient number, since it is larger than the sum of its proper divisors (76593648597).

126316654635 is a wasteful number, since it uses less digits than its factorization.

126316654635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32723.

The product of its digits is 2332800, while the sum is 48.

The spelling of 126316654635 in words is "one hundred twenty-six billion, three hundred sixteen million, six hundred fifty-four thousand, six hundred thirty-five".