1345687304 has 32 divisors (see below), whose sum is σ = 2728131840. Its totient is φ = 618600000.

The previous prime is 1345687303. The next prime is 1345687307. The reversal of 1345687304 is 4037865431.

It is not an unprimeable number, because it can be changed into a prime (1345687303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329 + ... + 51879.

It is an arithmetic number, because the mean of its divisors is an integer number (85254120).

Almost surely, 2^1345687304 is an apocalyptic number.

It is an amenable number.

1345687304 is an abundant number, since it is smaller than the sum of its proper divisors (1382444536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345687304 is a wasteful number, since it uses less digits than its factorization.

1345687304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51821 (or 51817 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 1345687304 is about 36683.6108364485. The cubic root of 1345687304 is about 1104.0312972469.

The spelling of 1345687304 in words is "one billion, three hundred forty-five million, six hundred eighty-seven thousand, three hundred four".