1382131 has 4 divisors (see below), whose sum is σ = 1384600. Its totient is φ = 1379664.

The previous prime is 1382123. The next prime is 1382159. The reversal of 1382131 is 1312831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1312831 = 13 ⋅100987.

It is a cyclic number.

It is not a de Polignac number, because 1382131 - 2³ = 1382123 is a prime.

It is a super-2 number, since 2×1382131² = 3820572202322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1382099 and 1382108.

It is not an unprimeable number, because it can be changed into a prime (1382191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55 + ... + 1663.

It is an arithmetic number, because the mean of its divisors is an integer number (346150).

2^1382131 is an apocalyptic number.

1382131 is a deficient number, since it is larger than the sum of its proper divisors (2469).

1382131 is an equidigital number, since it uses as much as digits as its factorization.

1382131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468.

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

The square root of 1382131 is about 1175.6406763973. The cubic root of 1382131 is about 111.3909059165.

Adding to 1382131 its reverse (1312831), we get a palindrome (2694962).

The spelling of 1382131 in words is "one million, three hundred eighty-two thousand, one hundred thirty-one".