1420161135 has 16 divisors (see below), whose sum is σ = 2286201984. Its totient is φ = 752771232.

The previous prime is 1420161103. The next prime is 1420161139. The reversal of 1420161135 is 5311610241.

It is a happy number.

It is not a de Polignac number, because 1420161135 - 2⁵ = 1420161103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420161139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287977 + ... + 292866.

It is an arithmetic number, because the mean of its divisors is an integer number (142887624).

Almost surely, 2^1420161135 is an apocalyptic number.

1420161135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1420161135 is a deficient number, since it is larger than the sum of its proper divisors (866040849).

1420161135 is a wasteful number, since it uses less digits than its factorization.

1420161135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581014.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1420161135 is about 37685.0253416393. The cubic root of 1420161135 is about 1124.0333780926.

Adding to 1420161135 its reverse (5311610241), we get a palindrome (6731771376).

The spelling of 1420161135 in words is "one billion, four hundred twenty million, one hundred sixty-one thousand, one hundred thirty-five".