2143903135 has 16 divisors (see below), whose sum is σ = 2811186720. Its totient is φ = 1556634240.

The previous prime is 2143903127. The next prime is 2143903141. The reversal of 2143903135 is 5313093412.

It is not a de Polignac number, because 2143903135 - 2³ = 2143903127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2143903097 and 2143903106.

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, 1921 + ... + 65509.

It is an arithmetic number, because the mean of its divisors is an integer number (175699170).

Almost surely, 2^2143903135 is an apocalyptic number.

2143903135 is a deficient number, since it is larger than the sum of its proper divisors (667283585).

2143903135 is a wasteful number, since it uses less digits than its factorization.

2143903135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64218.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 2143903135 is about 46302.3016166583. The cubic root of 2143903135 is about 1289.4417260605.

Adding to 2143903135 its reverse (5313093412), we get a palindrome (7456996547).

The spelling of 2143903135 in words is "two billion, one hundred forty-three million, nine hundred three thousand, one hundred thirty-five".