1345135208 has 8 divisors (see below), whose sum is σ = 2522128530. Its totient is φ = 672567600.

The previous prime is 1345135201. The next prime is 1345135213. The reversal of 1345135208 is 8025315431.

It can be written as a sum of positive squares in only one way, i.e., 1277204644 + 67930564 = 35738^2 + 8242^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1345135201) by changing a digit.

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 as a sum of consecutive naturals, namely, 84070943 + ... + 84070958.

Almost surely, 2^1345135208 is an apocalyptic number.

It is an amenable number.

1345135208 is a deficient number, since it is larger than the sum of its proper divisors (1176993322).

1345135208 is a wasteful number, since it uses less digits than its factorization.

1345135208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168141907 (or 168141903 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1345135208 is about 36676.0849600935. The cubic root of 1345135208 is about 1103.8802927161.

The spelling of 1345135208 in words is "one billion, three hundred forty-five million, one hundred thirty-five thousand, two hundred eight".