1386313756 has 12 divisors (see below), whose sum is σ = 2568757968. Its totient is φ = 652382912.

The previous prime is 1386313711. The next prime is 1386313757. The reversal of 1386313756 is 6573136831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386313757) 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 3 ways as a sum of consecutive naturals, for example, 10193416 + ... + 10193551.

It is an arithmetic number, because the mean of its divisors is an integer number (214063164).

Almost surely, 2^1386313756 is an apocalyptic number.

It is an amenable number.

1386313756 is a deficient number, since it is larger than the sum of its proper divisors (1182444212).

1386313756 is a wasteful number, since it uses less digits than its factorization.

1386313756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20386988 (or 20386986 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 1386313756 is about 37233.2345626861. The cubic root of 1386313756 is about 1115.0316053433.

The spelling of 1386313756 in words is "one billion, three hundred eighty-six million, three hundred thirteen thousand, seven hundred fifty-six".