1340043132 has 24 divisors (see below), whose sum is σ = 3193295616. Its totient is φ = 437177008.

The previous prime is 1340043121. The next prime is 1340043143. The reversal of 1340043132 is 2313400431.

It is an interprime number because it is at equal distance from previous prime (1340043121) and next prime (1340043143).

It is a junction number, because it is equal to n+sod(n) for n = 1340043099 and 1340043108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187418 + ... + 1188545.

It is an arithmetic number, because the mean of its divisors is an integer number (133053984).

Almost surely, 2^1340043132 is an apocalyptic number.

1340043132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340043132 is an abundant number, since it is smaller than the sum of its proper divisors (1853252484).

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

1340043132 is a wasteful number, since it uses less digits than its factorization.

1340043132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376017 (or 2376015 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1340043132 is about 36606.5995689302. The cubic root of 1340043132 is about 1102.4856001533.

Adding to 1340043132 its reverse (2313400431), we get a palindrome (3653443563).

The spelling of 1340043132 in words is "one billion, three hundred forty million, forty-three thousand, one hundred thirty-two".