1340102140 has 24 divisors (see below), whose sum is σ = 3030693120. Its totient is φ = 494806848.

The previous prime is 1340102123. The next prime is 1340102171. The reversal of 1340102140 is 412010431.

1340102140 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2576860 + ... + 2577379.

It is an arithmetic number, because the mean of its divisors is an integer number (126278880).

Almost surely, 2^1340102140 is an apocalyptic number.

1340102140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340102140 is an abundant number, since it is smaller than the sum of its proper divisors (1690590980).

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

1340102140 is a wasteful number, since it uses less digits than its factorization.

1340102140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5154261 (or 5154259 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1340102140 is about 36607.4055349461. The cubic root of 1340102140 is about 1102.5017823478.

Adding to 1340102140 its reverse (412010431), we get a palindrome (1752112571).

The spelling of 1340102140 in words is "one billion, three hundred forty million, one hundred two thousand, one hundred forty".