1380681276 has 24 divisors (see below), whose sum is σ = 3469404624. Its totient is φ = 424824960.

The previous prime is 1380681221. The next prime is 1380681287. The reversal of 1380681276 is 6721860831.

It is a congruent number.

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, 4425105 + ... + 4425416.

It is an arithmetic number, because the mean of its divisors is an integer number (144558526).

Almost surely, 2^1380681276 is an apocalyptic number.

It is an amenable number.

1380681276 is an abundant number, since it is smaller than the sum of its proper divisors (2088723348).

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

1380681276 is a wasteful number, since it uses less digits than its factorization.

1380681276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850541 (or 8850539 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1380681276 is about 37157.5197772941. The cubic root of 1380681276 is about 1113.5194613534.

The spelling of 1380681276 in words is "one billion, three hundred eighty million, six hundred eighty-one thousand, two hundred seventy-six".