1339508005920 has 216 divisors, whose sum is σ = 5317368667884. Its totient is φ = 306173242368.

The previous prime is 1339508005919. The next prime is 1339508005943. The reversal of 1339508005920 is 295008059331.

1339508005920 is a `hidden beast` number, since 1 + 3 + 3 + 9 + 50 + 8 + 0 + 0 + 592 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1284622761744 + 54885244176 = 1133412^2 + 234276^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9421419 + ... + 9562538.

Almost surely, 2^{1339508005920} is an apocalyptic number.

1339508005920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1339508005920 is an abundant number, since it is smaller than the sum of its proper divisors (3977860661964).

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

1339508005920 is a wasteful number, since it uses less digits than its factorization.

1339508005920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18983992 (or 18983974 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 1339508005920 in words is "one trillion, three hundred thirty-nine billion, five hundred eight million, five thousand, nine hundred twenty".