2105403142 has 4 divisors (see below), whose sum is σ = 3158104716. Its totient is φ = 1052701570.

The previous prime is 2105403107. The next prime is 2105403197. The reversal of 2105403142 is 2413045012.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526350784 + ... + 526350787.

It is an arithmetic number, because the mean of its divisors is an integer number (789526179).

Almost surely, 2^2105403142 is an apocalyptic number.

2105403142 is a deficient number, since it is larger than the sum of its proper divisors (1052701574).

2105403142 is a wasteful number, since it uses less digits than its factorization.

2105403142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052701573.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2105403142 is about 45884.6721901770. The cubic root of 2105403142 is about 1281.6765023505.

Adding to 2105403142 its reverse (2413045012), we get a palindrome (4518448154).

The spelling of 2105403142 in words is "two billion, one hundred five million, four hundred three thousand, one hundred forty-two".