1382426189 has 4 divisors (see below), whose sum is σ = 1408509756. Its totient is φ = 1356342624.

The previous prime is 1382426159. The next prime is 1382426257. The reversal of 1382426189 is 9816242831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9816242831 = 43 ⋅228284717.

It can be written as a sum of positive squares in 2 ways, for example, as 503778025 + 878648164 = 22445^2 + 29642^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1382426189 is a prime.

It is a super-2 number, since 2×1382426189² = 3822204336066127442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382426119) 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, 13041704 + ... + 13041809.

It is an arithmetic number, because the mean of its divisors is an integer number (352127439).

Almost surely, 2^1382426189 is an apocalyptic number.

It is an amenable number.

1382426189 is a deficient number, since it is larger than the sum of its proper divisors (26083567).

1382426189 is an equidigital number, since it uses as much as digits as its factorization.

1382426189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26083566.

The product of its digits is 165888, while the sum is 44.

The square root of 1382426189 is about 37180.9923078984. The cubic root of 1382426189 is about 1113.9883546621.

The spelling of 1382426189 in words is "one billion, three hundred eighty-two million, four hundred twenty-six thousand, one hundred eighty-nine".