1345988732 has 12 divisors (see below), whose sum is σ = 2569614936. Its totient is φ = 611813040.

The previous prime is 1345988717. The next prime is 1345988737. The reversal of 1345988732 is 2378895431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345988737) 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, 15295283 + ... + 15295370.

It is an arithmetic number, because the mean of its divisors is an integer number (214134578).

Almost surely, 2^1345988732 is an apocalyptic number.

It is an amenable number.

1345988732 is a deficient number, since it is larger than the sum of its proper divisors (1223626204).

1345988732 is a wasteful number, since it uses less digits than its factorization.

1345988732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30590668 (or 30590666 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 1345988732 is about 36687.7190896354. The cubic root of 1345988732 is about 1104.1137238008.

The spelling of 1345988732 in words is "one billion, three hundred forty-five million, nine hundred eighty-eight thousand, seven hundred thirty-two".