1339924520 has 32 divisors (see below), whose sum is σ = 3288906720. Its totient is φ = 487245120.

The previous prime is 1339924519. The next prime is 1339924561. The reversal of 1339924520 is 254299331.

It is a happy number.

It is a super-4 number, since 4×1339924520⁴ (a number of 38 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1522202 + ... + 1523081.

It is an arithmetic number, because the mean of its divisors is an integer number (102778335).

Almost surely, 2^1339924520 is an apocalyptic number.

1339924520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1339924520 is an abundant number, since it is smaller than the sum of its proper divisors (1948982200).

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

1339924520 is a wasteful number, since it uses less digits than its factorization.

1339924520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045305 (or 3045301 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 1339924520 is about 36604.9794426933. The cubic root of 1339924520 is about 1102.4530708819.

The spelling of 1339924520 in words is "one billion, three hundred thirty-nine million, nine hundred twenty-four thousand, five hundred twenty".