2105403135 has 64 divisors (see below), whose sum is σ = 3736212480. Its totient is φ = 1003904000.

The previous prime is 2105403107. The next prime is 2105403197. The reversal of 2105403135 is 5313045012.

It is not a de Polignac number, because 2105403135 - 2⁶ = 2105403071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4566805 + ... + 4567265.

It is an arithmetic number, because the mean of its divisors is an integer number (58378320).

Almost surely, 2^2105403135 is an apocalyptic number.

2105403135 is a deficient number, since it is larger than the sum of its proper divisors (1630809345).

2105403135 is a wasteful number, since it uses less digits than its factorization.

2105403135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2105403135 is about 45884.6721138988. The cubic root of 2105403135 is about 1281.6765009300.

Adding to 2105403135 its reverse (5313045012), we get a palindrome (7418448147).

The spelling of 2105403135 in words is "two billion, one hundred five million, four hundred three thousand, one hundred thirty-five".