1345171684 has 6 divisors (see below), whose sum is σ = 2354050454. Its totient is φ = 672585840.

The previous prime is 1345171679. The next prime is 1345171717. The reversal of 1345171684 is 4861715431.

It can be written as a sum of positive squares in only one way, i.e., 1336633600 + 8538084 = 36560^2 + 2922^2 .

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 as a sum of consecutive naturals, namely, 168146457 + ... + 168146464.

Almost surely, 2^1345171684 is an apocalyptic number.

It is an amenable number.

1345171684 is a deficient number, since it is larger than the sum of its proper divisors (1008878770).

1345171684 is a wasteful number, since it uses less digits than its factorization.

1345171684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336292925 (or 336292923 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 1345171684 is about 36676.5822289918. The cubic root of 1345171684 is about 1103.8902705913.

The spelling of 1345171684 in words is "one billion, three hundred forty-five million, one hundred seventy-one thousand, six hundred eighty-four".