1345785265 has 16 divisors (see below), whose sum is σ = 1763695296. Its totient is φ = 977675200.

The previous prime is 1345785251. The next prime is 1345785289. The reversal of 1345785265 is 5625875431.

It is not a de Polignac number, because 1345785265 - 2¹³ = 1345777073 is a prime.

It is a super-2 number, since 2×1345785265² = 3622275958982240450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38754 + ... + 64756.

It is an arithmetic number, because the mean of its divisors is an integer number (110230956).

Almost surely, 2^1345785265 is an apocalyptic number.

It is an amenable number.

1345785265 is a deficient number, since it is larger than the sum of its proper divisors (417910031).

1345785265 is a wasteful number, since it uses less digits than its factorization.

1345785265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26960.

The product of its digits is 1008000, while the sum is 46.

The square root of 1345785265 is about 36684.9460269468. The cubic root of 1345785265 is about 1104.0580863792.

The spelling of 1345785265 in words is "one billion, three hundred forty-five million, seven hundred eighty-five thousand, two hundred sixty-five".