1348006557 has 4 divisors (see below), whose sum is σ = 1797342080. Its totient is φ = 898671036.

The previous prime is 1348006531. The next prime is 1348006579. The reversal of 1348006557 is 7556008431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1348006557 - 2⁸ = 1348006301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348006657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224667757 + ... + 224667762.

It is an arithmetic number, because the mean of its divisors is an integer number (449335520).

Almost surely, 2^1348006557 is an apocalyptic number.

It is an amenable number.

1348006557 is a deficient number, since it is larger than the sum of its proper divisors (449335523).

1348006557 is an equidigital number, since it uses as much as digits as its factorization.

1348006557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449335522.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 1348006557 is about 36715.2087969005. The cubic root of 1348006557 is about 1104.6651885179.

The spelling of 1348006557 in words is "one billion, three hundred forty-eight million, six thousand, five hundred fifty-seven".