1381358 has 16 divisors (see below), whose sum is σ = 2322864. Its totient is φ = 610560.

The previous prime is 1381349. The next prime is 1381381. The reversal of 1381358 is 8531831.

It is a self number, because there is not a number n which added to its sum of digits gives 1381358.

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, 35 + ... + 1662.

It is an arithmetic number, because the mean of its divisors is an integer number (145179).

2^1381358 is an apocalyptic number.

1381358 is a deficient number, since it is larger than the sum of its proper divisors (941506).

1381358 is a wasteful number, since it uses less digits than its factorization.

1381358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747.

The product of its digits is 2880, while the sum is 29.

The square root of 1381358 is about 1175.3118735042. The cubic root of 1381358 is about 111.3701357609.

The spelling of 1381358 in words is "one million, three hundred eighty-one thousand, three hundred fifty-eight".