1345039404 has 12 divisors (see below), whose sum is σ = 3138425304. Its totient is φ = 448346464.

The previous prime is 1345039363. The next prime is 1345039427. The reversal of 1345039404 is 4049305431.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56043297 + ... + 56043320.

It is an arithmetic number, because the mean of its divisors is an integer number (261535442).

Almost surely, 2^1345039404 is an apocalyptic number.

It is an amenable number.

1345039404 is an abundant number, since it is smaller than the sum of its proper divisors (1793385900).

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

1345039404 is a wasteful number, since it uses less digits than its factorization.

1345039404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112086624 (or 112086622 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1345039404 is about 36674.7788541390. The cubic root of 1345039404 is about 1103.8540850264.

The spelling of 1345039404 in words is "one billion, three hundred forty-five million, thirty-nine thousand, four hundred four".