1338474036 has 12 divisors (see below), whose sum is σ = 3123106112. Its totient is φ = 446158008.

The previous prime is 1338473999. The next prime is 1338474061. The reversal of 1338474036 is 6304748331.

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

It is a super-2 number, since 2×1338474036² = 3583025490092258592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1338473985 and 1338474003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55769740 + ... + 55769763.

Almost surely, 2^1338474036 is an apocalyptic number.

It is an amenable number.

1338474036 is an abundant number, since it is smaller than the sum of its proper divisors (1784632076).

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

1338474036 is a wasteful number, since it uses less digits than its factorization.

1338474036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111539510 (or 111539508 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 1338474036 is about 36585.1614182581. The cubic root of 1338474036 is about 1102.0551211280.

The spelling of 1338474036 in words is "one billion, three hundred thirty-eight million, four hundred seventy-four thousand, thirty-six".