1306018945 has 48 divisors (see below), whose sum is σ = 1983993984. Its totient is φ = 807840000.

The previous prime is 1306018927. The next prime is 1306018963. The reversal of 1306018945 is 5498106031.

It is an interprime number because it is at equal distance from previous prime (1306018927) and next prime (1306018963).

It is not a de Polignac number, because 1306018945 - 2⁹ = 1306018433 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 579070 + ... + 581320.

It is an arithmetic number, because the mean of its divisors is an integer number (41333208).

Almost surely, 2^1306018945 is an apocalyptic number.

It is an amenable number.

1306018945 is a deficient number, since it is larger than the sum of its proper divisors (677975039).

1306018945 is a wasteful number, since it uses less digits than its factorization.

1306018945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422 (or 2411 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1306018945 is about 36138.8841139291. The cubic root of 1306018945 is about 1093.0746578348.

The spelling of 1306018945 in words is "one billion, three hundred six million, eighteen thousand, nine hundred forty-five".