1310440523140 has 48 divisors (see below), whose sum is σ = 3246510726144. Its totient is φ = 434800540800.

The previous prime is 1310440523107. The next prime is 1310440523153. The reversal of 1310440523140 is 413250440131.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1310440523099 and 1310440523108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150968071 + ... + 150976750.

It is an arithmetic number, because the mean of its divisors is an integer number (67635640128).

Almost surely, 2^{1310440523140} is an apocalyptic number.

1310440523140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310440523140 is an abundant number, since it is smaller than the sum of its proper divisors (1936070203004).

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

1310440523140 is a wasteful number, since it uses less digits than its factorization.

1310440523140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301944868 (or 301944866 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 1310440523140 its reverse (413250440131), we get a palindrome (1723690963271).

The spelling of 1310440523140 in words is "one trillion, three hundred ten billion, four hundred forty million, five hundred twenty-three thousand, one hundred forty".