1348570642 has 4 divisors (see below), whose sum is σ = 2022855966. Its totient is φ = 674285320.

The previous prime is 1348570627. The next prime is 1348570651. The reversal of 1348570642 is 2460758431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 694796881 + 653773761 = 26359^2 + 25569^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1348570595 and 1348570604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337142659 + ... + 337142662.

Almost surely, 2^1348570642 is an apocalyptic number.

1348570642 is a deficient number, since it is larger than the sum of its proper divisors (674285324).

1348570642 is an equidigital number, since it uses as much as digits as its factorization.

1348570642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674285323.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 1348570642 is about 36722.8898917283. The cubic root of 1348570642 is about 1104.8192525968.

The spelling of 1348570642 in words is "one billion, three hundred forty-eight million, five hundred seventy thousand, six hundred forty-two".