1345201756 has 12 divisors (see below), whose sum is σ = 2354661792. Its totient is φ = 672441248.

The previous prime is 1345201751. The next prime is 1345201757. The reversal of 1345201756 is 6571025431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345201751) by changing a digit.

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, 19825 + ... + 55528.

It is an arithmetic number, because the mean of its divisors is an integer number (196221816).

Almost surely, 2^1345201756 is an apocalyptic number.

It is an amenable number.

1345201756 is a deficient number, since it is larger than the sum of its proper divisors (1009460036).

1345201756 is a wasteful number, since it uses less digits than its factorization.

1345201756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79820 (or 79818 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 1345201756 is about 36676.9921885642. The cubic root of 1345201756 is about 1103.8984965403.

The spelling of 1345201756 in words is "one billion, three hundred forty-five million, two hundred one thousand, seven hundred fifty-six".