1377939712 has 54 divisors (see below), whose sum is σ = 2781402638. Its totient is φ = 681295872.

The previous prime is 1377939707. The next prime is 1377939791. The reversal of 1377939712 is 2179397731.

It can be written as a sum of positive squares in only one way, i.e., 1028100096 + 349839616 = 32064^2 + 18704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7139488 + ... + 7139680.

Almost surely, 2^1377939712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1377939712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390701319).

1377939712 is an abundant number, since it is smaller than the sum of its proper divisors (1403462926).

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

1377939712 is an frugal number, since it uses more digits than its factorization.

1377939712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 362 counting only the distinct ones).

The product of its digits is 500094, while the sum is 49.

The square root of 1377939712 is about 37120.6103398099. The cubic root of 1377939712 is about 1112.7819491914.

The spelling of 1377939712 in words is "one billion, three hundred seventy-seven million, nine hundred thirty-nine thousand, seven hundred twelve".