1381384711 has 8 divisors (see below), whose sum is σ = 1604606624. Its totient is φ = 1164633120.

The previous prime is 1381384699. The next prime is 1381384729. The reversal of 1381384711 is 1174831831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1381384711 - 2¹³ = 1381376519 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 (1381381711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1617120 + ... + 1617973.

It is an arithmetic number, because the mean of its divisors is an integer number (200575828).

Almost surely, 2^1381384711 is an apocalyptic number.

1381384711 is a deficient number, since it is larger than the sum of its proper divisors (223221913).

1381384711 is an equidigital number, since it uses as much as digits as its factorization.

1381384711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235161.

The product of its digits is 16128, while the sum is 37.

The square root of 1381384711 is about 37166.9841526051. The cubic root of 1381384711 is about 1113.7085360247.

The spelling of 1381384711 in words is "one billion, three hundred eighty-one million, three hundred eighty-four thousand, seven hundred eleven".