1340269532 has 12 divisors (see below), whose sum is σ = 2680539120. Its totient is φ = 574401216.

The previous prime is 1340269499. The next prime is 1340269549. The reversal of 1340269532 is 2359620431.

1340269532 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1340269492 and 1340269501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23933357 + ... + 23933412.

It is an arithmetic number, because the mean of its divisors is an integer number (223378260).

Almost surely, 2^1340269532 is an apocalyptic number.

It is an amenable number.

1340269532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1340269532 is a wasteful number, since it uses less digits than its factorization.

1340269532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47866780 (or 47866778 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 1340269532 is about 36609.6917769052. The cubic root of 1340269532 is about 1102.5476848924.

Adding to 1340269532 its reverse (2359620431), we get a palindrome (3699889963).

The spelling of 1340269532 in words is "one billion, three hundred forty million, two hundred sixty-nine thousand, five hundred thirty-two".