1345927028 has 6 divisors (see below), whose sum is σ = 2355372306. Its totient is φ = 672963512.

The previous prime is 1345927019. The next prime is 1345927039. The reversal of 1345927028 is 8207295431.

It can be written as a sum of positive squares in only one way, i.e., 841116004 + 504811024 = 29002^2 + 22468^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168240875 + ... + 168240882.

It is an arithmetic number, because the mean of its divisors is an integer number (392562051).

Almost surely, 2^1345927028 is an apocalyptic number.

It is an amenable number.

1345927028 is a deficient number, since it is larger than the sum of its proper divisors (1009445278).

1345927028 is a wasteful number, since it uses less digits than its factorization.

1345927028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336481761 (or 336481759 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1345927028 is about 36686.8781446446. The cubic root of 1345927028 is about 1104.0968516253.

The spelling of 1345927028 in words is "one billion, three hundred forty-five million, nine hundred twenty-seven thousand, twenty-eight".