1380328534 has 8 divisors (see below), whose sum is σ = 2229761520. Its totient is φ = 637074696.

The previous prime is 1380328507. The next prime is 1380328589. The reversal of 1380328534 is 4358230831.

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

It is a junction number, because it is equal to n+sod(n) for n = 1380328493 and 1380328502.

It is a congruent number.

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, 26544754 + ... + 26544805.

It is an arithmetic number, because the mean of its divisors is an integer number (278720190).

Almost surely, 2^1380328534 is an apocalyptic number.

1380328534 is a deficient number, since it is larger than the sum of its proper divisors (849432986).

1380328534 is a wasteful number, since it uses less digits than its factorization.

1380328534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53089574.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 1380328534 is about 37152.7728978605. The cubic root of 1380328534 is about 1113.4246244678.

The spelling of 1380328534 in words is "one billion, three hundred eighty million, three hundred twenty-eight thousand, five hundred thirty-four".