1345697275 has 12 divisors (see below), whose sum is σ = 1797023872. Its totient is φ = 993745440.

The previous prime is 1345697267. The next prime is 1345697299. The reversal of 1345697275 is 5727965431.

It is not a de Polignac number, because 1345697275 - 2³ = 1345697267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2069979 + ... + 2070628.

Almost surely, 2^1345697275 is an apocalyptic number.

1345697275 is a deficient number, since it is larger than the sum of its proper divisors (451326597).

1345697275 is a wasteful number, since it uses less digits than its factorization.

1345697275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140630 (or 4140625 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 49.

The square root of 1345697275 is about 36683.7467415748. The cubic root of 1345697275 is about 1104.0340240490.

The spelling of 1345697275 in words is "one billion, three hundred forty-five million, six hundred ninety-seven thousand, two hundred seventy-five".