1347130426 has 4 divisors (see below), whose sum is σ = 2020695642. Its totient is φ = 673565212.

The previous prime is 1347130397. The next prime is 1347130427. The reversal of 1347130426 is 6240317431.

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., 1118969401 + 228161025 = 33451^2 + 15105^2 .

It is not an unprimeable number, because it can be changed into a prime (1347130427) 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 as a sum of consecutive naturals, namely, 336782605 + ... + 336782608.

Almost surely, 2^1347130426 is an apocalyptic number.

1347130426 is a deficient number, since it is larger than the sum of its proper divisors (673565216).

1347130426 is an equidigital number, since it uses as much as digits as its factorization.

1347130426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673565215.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 1347130426 is about 36703.2754124206. The cubic root of 1347130426 is about 1104.4258125381.

Adding to 1347130426 its reverse (6240317431), we get a palindrome (7587447857).

The spelling of 1347130426 in words is "one billion, three hundred forty-seven million, one hundred thirty thousand, four hundred twenty-six".