1442135479 has 2 divisors, whose sum is σ = 1442135480. Its totient is φ = 1442135478.

The previous prime is 1442135447. The next prime is 1442135507. The reversal of 1442135479 is 9745312441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1442135479 - 2⁵ = 1442135447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442105479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721067739 + 721067740.

It is an arithmetic number, because the mean of its divisors is an integer number (721067740).

Almost surely, 2^1442135479 is an apocalyptic number.

1442135479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442135479 is an equidigital number, since it uses as much as digits as its factorization.

1442135479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 1442135479 is about 37975.4589044030. The cubic root of 1442135479 is about 1129.8011708019.

The spelling of 1442135479 in words is "one billion, four hundred forty-two million, one hundred thirty-five thousand, four hundred seventy-nine".