1371380686 has 32 divisors (see below), whose sum is σ = 2239110720. Its totient is φ = 626178816.

The previous prime is 1371380683. The next prime is 1371380687. The reversal of 1371380686 is 6860831731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371380683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1563280 + ... + 1564156.

It is an arithmetic number, because the mean of its divisors is an integer number (69972210).

Almost surely, 2^1371380686 is an apocalyptic number.

1371380686 is a deficient number, since it is larger than the sum of its proper divisors (867730034).

1371380686 is a wasteful number, since it uses less digits than its factorization.

1371380686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 1371380686 is about 37032.1574580796. The cubic root of 1371380686 is about 1111.0135173889.

The spelling of 1371380686 in words is "one billion, three hundred seventy-one million, three hundred eighty thousand, six hundred eighty-six".