1381396598 has 8 divisors (see below), whose sum is σ = 2072268120. Its totient is φ = 690640560.

The previous prime is 1381396589. The next prime is 1381396603. The reversal of 1381396598 is 8956931831.

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

It is a Curzon number.

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, 13433 + ... + 54251.

It is an arithmetic number, because the mean of its divisors is an integer number (259033515).

Almost surely, 2^1381396598 is an apocalyptic number.

1381396598 is a deficient number, since it is larger than the sum of its proper divisors (690871522).

1381396598 is a wasteful number, since it uses less digits than its factorization.

1381396598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57742.

The product of its digits is 1399680, while the sum is 53.

The square root of 1381396598 is about 37167.1440656933. The cubic root of 1381396598 is about 1113.7117305525.

The spelling of 1381396598 in words is "one billion, three hundred eighty-one million, three hundred ninety-six thousand, five hundred ninety-eight".