1340134432 has 48 divisors (see below), whose sum is σ = 3247255872. Its totient is φ = 530161920.

The previous prime is 1340134427. The next prime is 1340134451. The reversal of 1340134432 is 2344310431.

It is a junction number, because it is equal to n+sod(n) for n = 1340134397 and 1340134406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227194 + ... + 233017.

It is an arithmetic number, because the mean of its divisors is an integer number (67651164).

Almost surely, 2^1340134432 is an apocalyptic number.

It is an amenable number.

1340134432 is an abundant number, since it is smaller than the sum of its proper divisors (1907121440).

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

1340134432 is a wasteful number, since it uses less digits than its factorization.

1340134432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460241 (or 460233 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1340134432 is about 36607.8465905877. The cubic root of 1340134432 is about 1102.5106378174.

Adding to 1340134432 its reverse (2344310431), we get a palindrome (3684444863).

The spelling of 1340134432 in words is "one billion, three hundred forty million, one hundred thirty-four thousand, four hundred thirty-two".