140513340 has 96 divisors (see below), whose sum is σ = 431665920. Its totient is φ = 33868800.

The previous prime is 140513339. The next prime is 140513369. The reversal of 140513340 is 43315041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138756 + ... + 139764.

It is an arithmetic number, because the mean of its divisors is an integer number (4496520).

Almost surely, 2^140513340 is an apocalyptic number.

140513340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140513340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215832960).

140513340 is an abundant number, since it is smaller than the sum of its proper divisors (291152580).

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

140513340 is a wasteful number, since it uses less digits than its factorization.

140513340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 140513340 is about 11853.8322917106. The cubic root of 140513340 is about 519.8832824824.

Adding to 140513340 its reverse (43315041), we get a palindrome (183828381).

It can be divided in two parts, 14051 and 3340, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 140513340 in words is "one hundred forty million, five hundred thirteen thousand, three hundred forty".