1340233252 has 6 divisors (see below), whose sum is σ = 2345408198. Its totient is φ = 670116624.

The previous prime is 1340233243. The next prime is 1340233259. The reversal of 1340233252 is 2523320431.

It can be written as a sum of positive squares in only one way, i.e., 1313772516 + 26460736 = 36246^2 + 5144^2 .

It is not an unprimeable number, because it can be changed into a prime (1340233259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167529153 + ... + 167529160.

Almost surely, 2^1340233252 is an apocalyptic number.

It is an amenable number.

1340233252 is a deficient number, since it is larger than the sum of its proper divisors (1005174946).

1340233252 is a wasteful number, since it uses less digits than its factorization.

1340233252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335058317 (or 335058315 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1340233252 is about 36609.1962763456. The cubic root of 1340233252 is about 1102.5377364479.

Adding to 1340233252 its reverse (2523320431), we get a palindrome (3863553683).

The spelling of 1340233252 in words is "one billion, three hundred forty million, two hundred thirty-three thousand, two hundred fifty-two".