1426130642 has 4 divisors (see below), whose sum is σ = 2139195966. Its totient is φ = 713065320.

The previous prime is 1426130639. The next prime is 1426130653. The reversal of 1426130642 is 2460316241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2460316241 = 12583 ⋅195527.

It can be written as a sum of positive squares in only one way, i.e., 1344028921 + 82101721 = 36661^2 + 9061^2 .

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, 356532659 + ... + 356532662.

Almost surely, 2^1426130642 is an apocalyptic number.

1426130642 is a deficient number, since it is larger than the sum of its proper divisors (713065324).

1426130642 is an equidigital number, since it uses as much as digits as its factorization.

1426130642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713065323.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1426130642 is about 37764.1449261068. The cubic root of 1426130642 is about 1125.6060976346.

Adding to 1426130642 its reverse (2460316241), we get a palindrome (3886446883).

The spelling of 1426130642 in words is "one billion, four hundred twenty-six million, one hundred thirty thousand, six hundred forty-two".