1381711632 has 40 divisors (see below), whose sum is σ = 4079340096. Its totient is φ = 394774656.

The previous prime is 1381711589. The next prime is 1381711649. The reversal of 1381711632 is 2361171831.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1381711593 and 1381711602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2055783 + ... + 2056454.

Almost surely, 2^1381711632 is an apocalyptic number.

1381711632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1381711632 is an abundant number, since it is smaller than the sum of its proper divisors (2697628464).

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

1381711632 is a wasteful number, since it uses less digits than its factorization.

1381711632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112255 (or 4112249 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 1381711632 is about 37171.3818952161. The cubic root of 1381711632 is about 1113.7963865192.

The spelling of 1381711632 in words is "one billion, three hundred eighty-one million, seven hundred eleven thousand, six hundred thirty-two".