1380280374 has 24 divisors (see below), whose sum is σ = 3262481352. Its totient is φ = 418266720.

The previous prime is 1380280373. The next prime is 1380280379. The reversal of 1380280374 is 4730820831.

1380280374 is a `hidden beast` number, since 1 + 3 + 8 + 0 + 280 + 374 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380280373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3485359 + ... + 3485754.

It is an arithmetic number, because the mean of its divisors is an integer number (135936723).

Almost surely, 2^1380280374 is an apocalyptic number.

1380280374 is an abundant number, since it is smaller than the sum of its proper divisors (1882200978).

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

1380280374 is a wasteful number, since it uses less digits than its factorization.

1380280374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971132 (or 6971129 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1380280374 is about 37152.1247575425. The cubic root of 1380280374 is about 1113.4116750980.

The spelling of 1380280374 in words is "one billion, three hundred eighty million, two hundred eighty thousand, three hundred seventy-four".