1345974256 has 40 divisors (see below), whose sum is σ = 2887386624. Its totient is φ = 602669760.

The previous prime is 1345974251. The next prime is 1345974263. The reversal of 1345974256 is 6524795431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345974251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45280 + ... + 68863.

Almost surely, 2^1345974256 is an apocalyptic number.

1345974256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1345974256 is an abundant number, since it is smaller than the sum of its proper divisors (1541412368).

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

1345974256 is a wasteful number, since it uses less digits than its factorization.

1345974256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114229 (or 114223 counting only the distinct ones).

The product of its digits is 907200, while the sum is 46.

The square root of 1345974256 is about 36687.5218023785. The cubic root of 1345974256 is about 1104.1097655687.

The spelling of 1345974256 in words is "one billion, three hundred forty-five million, nine hundred seventy-four thousand, two hundred fifty-six".