1371043140 has 48 divisors (see below), whose sum is σ = 3942681792. Its totient is φ = 355729536.

The previous prime is 1371043129. The next prime is 1371043159. The reversal of 1371043140 is 413401731.

It is a self number, because there is not a number n which added to its sum of digits gives 1371043140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306574 + ... + 311013.

It is an arithmetic number, because the mean of its divisors is an integer number (82139204).

Almost surely, 2^1371043140 is an apocalyptic number.

1371043140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1371043140 is an abundant number, since it is smaller than the sum of its proper divisors (2571638652).

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

1371043140 is a wasteful number, since it uses less digits than its factorization.

1371043140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617636 (or 617634 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1371043140 is about 37027.5997061651. The cubic root of 1371043140 is about 1110.9223564771.

Adding to 1371043140 its reverse (413401731), we get a palindrome (1784444871).

The spelling of 1371043140 in words is "one billion, three hundred seventy-one million, forty-three thousand, one hundred forty".