1387365712 has 20 divisors (see below), whose sum is σ = 2829496480. Its totient is φ = 657173088.

The previous prime is 1387365703. The next prime is 1387365739. The reversal of 1387365712 is 2175637831.

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, 2281548 + ... + 2282155.

It is an arithmetic number, because the mean of its divisors is an integer number (141474824).

Almost surely, 2^1387365712 is an apocalyptic number.

It is an amenable number.

1387365712 is an abundant number, since it is smaller than the sum of its proper divisors (1442130768).

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

1387365712 is a wasteful number, since it uses less digits than its factorization.

1387365712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4563730 (or 4563724 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 1387365712 is about 37247.3584566745. The cubic root of 1387365712 is about 1115.3135683596.

The spelling of 1387365712 in words is "one billion, three hundred eighty-seven million, three hundred sixty-five thousand, seven hundred twelve".