1345531756 has 6 divisors (see below), whose sum is σ = 2354680580. Its totient is φ = 672765876.

The previous prime is 1345531739. The next prime is 1345531771. The reversal of 1345531756 is 6571355431.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168191466 + ... + 168191473.

Almost surely, 2^1345531756 is an apocalyptic number.

It is an amenable number.

1345531756 is a deficient number, since it is larger than the sum of its proper divisors (1009148824).

1345531756 is a wasteful number, since it uses less digits than its factorization.

1345531756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336382943 (or 336382941 counting only the distinct ones).

The product of its digits is 189000, while the sum is 40.

The square root of 1345531756 is about 36681.4906458284. The cubic root of 1345531756 is about 1103.9887572807.

The spelling of 1345531756 in words is "one billion, three hundred forty-five million, five hundred thirty-one thousand, seven hundred fifty-six".