1379140 has 24 divisors (see below), whose sum is σ = 3310272. Its totient is φ = 472800.

The previous prime is 1379137. The next prime is 1379141. The reversal of 1379140 is 419731.

It is not an unprimeable number, because it can be changed into a prime (1379141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4786 + ... + 5065.

It is an arithmetic number, because the mean of its divisors is an integer number (137928).

2^1379140 is an apocalyptic number.

1379140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1379140 is an abundant number, since it is smaller than the sum of its proper divisors (1931132).

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

1379140 is a wasteful number, since it uses less digits than its factorization.

1379140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9867 (or 9865 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1379140 is about 1174.3679150931. The cubic root of 1379140 is about 111.3104960708.

It can be divided in two parts, 13791 and 40, that added together give a palindrome (13831).

The spelling of 1379140 in words is "one million, three hundred seventy-nine thousand, one hundred forty".