1346745057 has 12 divisors (see below), whose sum is σ = 2088829296. Its totient is φ = 769568520.

The previous prime is 1346745053. The next prime is 1346745067. The reversal of 1346745057 is 7505476431.

It is a happy number.

It is not a de Polignac number, because 1346745057 - 2² = 1346745053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1346745053) 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 11 ways as a sum of consecutive naturals, for example, 4580619 + ... + 4580912.

It is an arithmetic number, because the mean of its divisors is an integer number (174069108).

Almost surely, 2^1346745057 is an apocalyptic number.

It is an amenable number.

1346745057 is a deficient number, since it is larger than the sum of its proper divisors (742084239).

1346745057 is an equidigital number, since it uses as much as digits as its factorization.

1346745057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9161548 (or 9161541 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 1346745057 is about 36698.0252465988. The cubic root of 1346745057 is about 1104.3204893876.

The spelling of 1346745057 in words is "one billion, three hundred forty-six million, seven hundred forty-five thousand, fifty-seven".