2142155335 has 16 divisors (see below), whose sum is σ = 2654945280. Its totient is φ = 1657545120.

The previous prime is 2142155317. The next prime is 2142155357. The reversal of 2142155335 is 5335512412.

It is not a de Polignac number, because 2142155335 - 2⁷ = 2142155207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 2142155297 and 2142155306.

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, 512986 + ... + 517144.

It is an arithmetic number, because the mean of its divisors is an integer number (165934080).

Almost surely, 2^2142155335 is an apocalyptic number.

2142155335 is a deficient number, since it is larger than the sum of its proper divisors (512789945).

2142155335 is a wasteful number, since it uses less digits than its factorization.

2142155335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7518.

The product of its digits is 18000, while the sum is 31.

The square root of 2142155335 is about 46283.4239766247. The cubic root of 2142155335 is about 1289.0912284218.

Adding to 2142155335 its reverse (5335512412), we get a palindrome (7477667747).

The spelling of 2142155335 in words is "two billion, one hundred forty-two million, one hundred fifty-five thousand, three hundred thirty-five".