1381328342 has 16 divisors (see below), whose sum is σ = 2166266592. Its totient is φ = 659355840.

The previous prime is 1381328339. The next prime is 1381328371. The reversal of 1381328342 is 2438231831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4853 + ... + 52784.

It is an arithmetic number, because the mean of its divisors is an integer number (135391662).

Almost surely, 2^1381328342 is an apocalyptic number.

1381328342 is a deficient number, since it is larger than the sum of its proper divisors (784938250).

1381328342 is a wasteful number, since it uses less digits than its factorization.

1381328342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58183.

The product of its digits is 27648, while the sum is 35.

The square root of 1381328342 is about 37166.2258239924. The cubic root of 1381328342 is about 1113.6933870973.

The spelling of 1381328342 in words is "one billion, three hundred eighty-one million, three hundred twenty-eight thousand, three hundred forty-two".