1310140 has 24 divisors (see below), whose sum is σ = 2963520. Its totient is φ = 483648.

The previous prime is 1310137. The next prime is 1310143. The reversal of 1310140 is 410131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1310137) and next prime (1310143).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310143) 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, 2260 + ... + 2779.

It is an arithmetic number, because the mean of its divisors is an integer number (123480).

2^1310140 is an apocalyptic number.

1310140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310140 is an abundant number, since it is smaller than the sum of its proper divisors (1653380).

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

1310140 is a wasteful number, since it uses less digits than its factorization.

1310140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061 (or 5059 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1310140 is about 1144.6134718760. The cubic root of 1310140 is about 109.4223158546.

Adding to 1310140 its reverse (410131), we get a palindrome (1720271).

Subtracting from 1310140 its reverse (410131), we obtain a palindrome (900009).

It can be divided in two parts, 13 and 10140, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 1310140 in words is "one million, three hundred ten thousand, one hundred forty".