1381376711 has 16 divisors (see below), whose sum is σ = 1693440000. Its totient is φ = 1108794720.

The previous prime is 1381376707. The next prime is 1381376713. The reversal of 1381376711 is 1176731831.

It is not a de Polignac number, because 1381376711 - 2² = 1381376707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381376713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206711 + ... + 213288.

It is an arithmetic number, because the mean of its divisors is an integer number (105840000).

Almost surely, 2^1381376711 is an apocalyptic number.

1381376711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1381376711 is a deficient number, since it is larger than the sum of its proper divisors (312063289).

1381376711 is a wasteful number, since it uses less digits than its factorization.

1381376711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420046.

The product of its digits is 21168, while the sum is 38.

The square root of 1381376711 is about 37166.8765300502. The cubic root of 1381376711 is about 1113.7063860841.

The spelling of 1381376711 in words is "one billion, three hundred eighty-one million, three hundred seventy-six thousand, seven hundred eleven".