1380147686 has 8 divisors (see below), whose sum is σ = 2191999320. Its totient is φ = 649481248.

The previous prime is 1380147679. The next prime is 1380147697. The reversal of 1380147686 is 6867410831.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 20296256 + ... + 20296323.

It is an arithmetic number, because the mean of its divisors is an integer number (273999915).

Almost surely, 2^1380147686 is an apocalyptic number.

1380147686 is a deficient number, since it is larger than the sum of its proper divisors (811851634).

1380147686 is a wasteful number, since it uses less digits than its factorization.

1380147686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40592598.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 1380147686 is about 37150.3389755733. The cubic root of 1380147686 is about 1113.3759960903.

The spelling of 1380147686 in words is "one billion, three hundred eighty million, one hundred forty-seven thousand, six hundred eighty-six".