1382538939 has 8 divisors (see below), whose sum is σ = 1843845120. Its totient is φ = 921462696.

The previous prime is 1382538919. The next prime is 1382538977. The reversal of 1382538939 is 9398352831.

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

It is not a de Polignac number, because 1382538939 - 2⁵ = 1382538907 is a prime.

It is a super-2 number, since 2×1382538939² = 3822827835702491442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1382538891 and 1382538900.

It is not an unprimeable number, because it can be changed into a prime (1382538919) 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, 42927 + ... + 67880.

It is an arithmetic number, because the mean of its divisors is an integer number (230480640).

Almost surely, 2^1382538939 is an apocalyptic number.

1382538939 is a deficient number, since it is larger than the sum of its proper divisors (461306181).

1382538939 is a wasteful number, since it uses less digits than its factorization.

1382538939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114969.

The product of its digits is 1399680, while the sum is 51.

The square root of 1382538939 is about 37182.5085087061. The cubic root of 1382538939 is about 1114.0186392862.

The spelling of 1382538939 in words is "one billion, three hundred eighty-two million, five hundred thirty-eight thousand, nine hundred thirty-nine".