1386077312 has 32 divisors (see below), whose sum is σ = 2763556380. Its totient is φ = 692478976.

The previous prime is 1386077291. The next prime is 1386077317. The reversal of 1386077312 is 2137706831.

It can be written as a sum of positive squares in 2 ways, for example, as 1240730176 + 145347136 = 35224^2 + 12056^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1386077312² = 3842420629682290688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1386077317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187478 + ... + 194730.

Almost surely, 2^1386077312 is an apocalyptic number.

It is an amenable number.

1386077312 is a deficient number, since it is larger than the sum of its proper divisors (1377479068).

1386077312 is an equidigital number, since it uses as much as digits as its factorization.

1386077312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8760 (or 8748 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 1386077312 is about 37230.0592532432. The cubic root of 1386077312 is about 1114.9682099967.

The spelling of 1386077312 in words is "one billion, three hundred eighty-six million, seventy-seven thousand, three hundred twelve".