1381132 has 12 divisors (see below), whose sum is σ = 2425360. Its totient is φ = 688176.

The previous prime is 1381111. The next prime is 1381141. The reversal of 1381132 is 2311831.

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, 1594 + ... + 2302.

2^1381132 is an apocalyptic number.

It is an amenable number.

1381132 is a deficient number, since it is larger than the sum of its proper divisors (1044228).

1381132 is a wasteful number, since it uses less digits than its factorization.

1381132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200 (or 1198 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 1381132 is about 1175.2157248778. The cubic root of 1381132 is about 111.3640617807.

Adding to 1381132 its reverse (2311831), we get a palindrome (3692963).

The spelling of 1381132 in words is "one million, three hundred eighty-one thousand, one hundred thirty-two".