1340604532 has 12 divisors (see below), whose sum is σ = 2346316420. Its totient is φ = 670228416.

The previous prime is 1340604509. The next prime is 1340604539. The reversal of 1340604532 is 2354060431.

It can be written as a sum of positive squares in 2 ways, for example, as 917726436 + 422878096 = 30294^2 + 20564^2 .

It is a super-2 number, since 2×1340604532² = 3594441022437878048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1340604532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340604539) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 53848 + ... + 74704.

Almost surely, 2^1340604532 is an apocalyptic number.

It is an amenable number.

1340604532 is a deficient number, since it is larger than the sum of its proper divisors (1005711888).

1340604532 is a wasteful number, since it uses less digits than its factorization.

1340604532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36930 (or 36928 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1340604532 is about 36614.2667822258. The cubic root of 1340604532 is about 1102.6395377366.

Adding to 1340604532 its reverse (2354060431), we get a palindrome (3694664963).

The spelling of 1340604532 in words is "one billion, three hundred forty million, six hundred four thousand, five hundred thirty-two".