1345995747 has 12 divisors (see below), whose sum is σ = 1944670000. Its totient is φ = 897121008.

The previous prime is 1345995743. The next prime is 1345995751. The reversal of 1345995747 is 7475995431.

1345995747 is a `hidden beast` number, since 1 + 3 + 4 + 599 + 5 + 7 + 47 = 666.

It is an interprime number because it is at equal distance from previous prime (1345995743) and next prime (1345995751).

It is not a de Polignac number, because 1345995747 - 2² = 1345995743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345995693 and 1345995702.

It is not an unprimeable number, because it can be changed into a prime (1345995743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30033 + ... + 59949.

Almost surely, 2^1345995747 is an apocalyptic number.

1345995747 is a deficient number, since it is larger than the sum of its proper divisors (598674253).

1345995747 is a wasteful number, since it uses less digits than its factorization.

1345995747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34922 (or 34919 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 54.

The square root of 1345995747 is about 36687.8146937100. The cubic root of 1345995747 is about 1104.1156419309.

The spelling of 1345995747 in words is "one billion, three hundred forty-five million, nine hundred ninety-five thousand, seven hundred forty-seven".