1338520348 has 12 divisors (see below), whose sum is σ = 2555357112. Its totient is φ = 608418320.

The previous prime is 1338520301. The next prime is 1338520349. The reversal of 1338520348 is 8430258331.

It is a super-2 number, since 2×1338520348² = 3583273444020082208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338520349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15210415 + ... + 15210502.

It is an arithmetic number, because the mean of its divisors is an integer number (212946426).

Almost surely, 2^1338520348 is an apocalyptic number.

It is an amenable number.

1338520348 is a deficient number, since it is larger than the sum of its proper divisors (1216836764).

1338520348 is a wasteful number, since it uses less digits than its factorization.

1338520348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30420932 (or 30420930 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 1338520348 is about 36585.7943469866. The cubic root of 1338520348 is about 1102.0678315696.

Adding to 1338520348 its reverse (8430258331), we get a palindrome (9768778679).

It can be divided in two parts, 13385 and 20348, that added together give a palindrome (33733).

The spelling of 1338520348 in words is "one billion, three hundred thirty-eight million, five hundred twenty thousand, three hundred forty-eight".