1381335 has 16 divisors (see below), whose sum is σ = 2340576. Its totient is φ = 693248.

The previous prime is 1381327. The next prime is 1381337. The reversal of 1381335 is 5331831.

It is a cyclic number.

It is not a de Polignac number, because 1381335 - 2³ = 1381327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2454 + ... + 2963.

It is an arithmetic number, because the mean of its divisors is an integer number (146286).

2^1381335 is an apocalyptic number.

1381335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1381335 is a deficient number, since it is larger than the sum of its proper divisors (959241).

1381335 is a wasteful number, since it uses less digits than its factorization.

1381335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5442.

The product of its digits is 1080, while the sum is 24.

The square root of 1381335 is about 1175.3020888265. The cubic root of 1381335 is about 111.3695176428.

The spelling of 1381335 in words is "one million, three hundred eighty-one thousand, three hundred thirty-five".