2142420135 has 16 divisors (see below), whose sum is σ = 3429244896. Its totient is φ = 1142166528.

The previous prime is 2142420097. The next prime is 2142420149. The reversal of 2142420135 is 5310242412.

It is not a de Polignac number, because 2142420135 - 2¹¹ = 2142418087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11967 + ... + 66543.

It is an arithmetic number, because the mean of its divisors is an integer number (214327806).

Almost surely, 2^2142420135 is an apocalyptic number.

2142420135 is a deficient number, since it is larger than the sum of its proper divisors (1286824761).

2142420135 is a wasteful number, since it uses less digits than its factorization.

2142420135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57202.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2142420135 is about 46286.2845236037. The cubic root of 2142420135 is about 1289.1443427295.

Adding to 2142420135 its reverse (5310242412), we get a palindrome (7452662547).

The spelling of 2142420135 in words is "two billion, one hundred forty-two million, four hundred twenty thousand, one hundred thirty-five".