1380520008 has 48 divisors (see below), whose sum is σ = 4273039680. Its totient is φ = 394434144.

The previous prime is 1380519977. The next prime is 1380520019. The reversal of 1380520008 is 8000250831.

It is a happy number.

1380520008 is a `hidden beast` number, since 138 + 0 + 520 + 0 + 0 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1369060 + ... + 1370067.

It is an arithmetic number, because the mean of its divisors is an integer number (89021660).

Almost surely, 2^1380520008 is an apocalyptic number.

1380520008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1380520008 is an abundant number, since it is smaller than the sum of its proper divisors (2892519672).

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

1380520008 is a wasteful number, since it uses less digits than its factorization.

1380520008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739146 (or 2739139 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1380520008 is about 37155.3496551977. The cubic root of 1380520008 is about 1113.4761054508.

Adding to 1380520008 its reverse (8000250831), we get a palindrome (9380770839).

The spelling of 1380520008 in words is "one billion, three hundred eighty million, five hundred twenty thousand, eight".