1226696136 has 16 divisors (see below), whose sum is σ = 3066740400. Its totient is φ = 408898704.

The previous prime is 1226696123. The next prime is 1226696147. The reversal of 1226696136 is 6316966221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25556146 + ... + 25556193.

It is an arithmetic number, because the mean of its divisors is an integer number (191671275).

Almost surely, 2^1226696136 is an apocalyptic number.

It is an amenable number.

1226696136 is an abundant number, since it is smaller than the sum of its proper divisors (1840044264).

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

1226696136 is a wasteful number, since it uses less digits than its factorization.

1226696136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51112348 (or 51112344 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 1226696136 is about 35024.2221326898. Note that the first 3 decimals coincide. The cubic root of 1226696136 is about 1070.4810879984.

The spelling of 1226696136 in words is "one billion, two hundred twenty-six million, six hundred ninety-six thousand, one hundred thirty-six".