1380734808 has 16 divisors (see below), whose sum is σ = 3451837080. Its totient is φ = 460244928.

The previous prime is 1380734753. The next prime is 1380734833. The reversal of 1380734808 is 8084370831.

It is a super-2 number, since 2×1380734808² = 3812857220045593728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1380734808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28765285 + ... + 28765332.

Almost surely, 2^1380734808 is an apocalyptic number.

It is an amenable number.

1380734808 is an abundant number, since it is smaller than the sum of its proper divisors (2071102272).

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

1380734808 is a wasteful number, since it uses less digits than its factorization.

1380734808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57530626 (or 57530622 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 1380734808 is about 37158.2401090256. The cubic root of 1380734808 is about 1113.5338523535.

The spelling of 1380734808 in words is "one billion, three hundred eighty million, seven hundred thirty-four thousand, eight hundred eight".