1396140 has 24 divisors (see below), whose sum is σ = 3909360. Its totient is φ = 372288.

The previous prime is 1396127. The next prime is 1396141. The reversal of 1396140 is 416931.

It is a self number, because there is not a number n which added to its sum of digits gives 1396140.

It is not an unprimeable number, because it can be changed into a prime (1396141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11575 + ... + 11694.

It is an arithmetic number, because the mean of its divisors is an integer number (162890).

2^1396140 is an apocalyptic number.

1396140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1396140 is an abundant number, since it is smaller than the sum of its proper divisors (2513220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1396140 is a wasteful number, since it uses less digits than its factorization.

1396140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23281 (or 23279 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1396140 is about 1181.5836830288. The cubic root of 1396140 is about 111.7659867324.

The spelling of 1396140 in words is "one million, three hundred ninety-six thousand, one hundred forty".