1345652132 has 18 divisors (see below), whose sum is σ = 2588435094. Its totient is φ = 611659840.

The previous prime is 1345652111. The next prime is 1345652177. The reversal of 1345652132 is 2312565431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1152330916 + 193321216 = 33946^2 + 13904^2 .

It is a super-2 number, since 2×1345652132² = 3621559320712290848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1389653 + ... + 1390620.

Almost surely, 2^1345652132 is an apocalyptic number.

It is an amenable number.

1345652132 is a deficient number, since it is larger than the sum of its proper divisors (1242782962).

1345652132 is a wasteful number, since it uses less digits than its factorization.

1345652132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780299 (or 2780286 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 1345652132 is about 36683.1314366699. The cubic root of 1345652132 is about 1104.0216785371.

The spelling of 1345652132 in words is "one billion, three hundred forty-five million, six hundred fifty-two thousand, one hundred thirty-two".