1338956292 has 12 divisors (see below), whose sum is σ = 3124231376. Its totient is φ = 446318760.

The previous prime is 1338956287. The next prime is 1338956347. The reversal of 1338956292 is 2926598331.

It is a tau number, because it is divible by the number of its divisors (12).

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, 55789834 + ... + 55789857.

Almost surely, 2^1338956292 is an apocalyptic number.

1338956292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1338956292 is an abundant number, since it is smaller than the sum of its proper divisors (1785275084).

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

1338956292 is a wasteful number, since it uses less digits than its factorization.

1338956292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111579698 (or 111579696 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The square root of 1338956292 is about 36591.7516935169. The cubic root of 1338956292 is about 1102.1874630992.

The spelling of 1338956292 in words is "one billion, three hundred thirty-eight million, nine hundred fifty-six thousand, two hundred ninety-two".