1345213652 has 12 divisors (see below), whose sum is σ = 2359489440. Its totient is φ = 671073816.

The previous prime is 1345213613. The next prime is 1345213669. The reversal of 1345213652 is 2563125431.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 381278 + ... + 384789.

It is an arithmetic number, because the mean of its divisors is an integer number (196624120).

Almost surely, 2^1345213652 is an apocalyptic number.

It is an amenable number.

1345213652 is a deficient number, since it is larger than the sum of its proper divisors (1014275788).

1345213652 is a wasteful number, since it uses less digits than its factorization.

1345213652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766510 (or 766508 counting only the distinct ones).

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

The square root of 1345213652 is about 36677.1543607189. The cubic root of 1345213652 is about 1103.9017505597.

The spelling of 1345213652 in words is "one billion, three hundred forty-five million, two hundred thirteen thousand, six hundred fifty-two".