2113642126 has 4 divisors (see below), whose sum is σ = 3170463192. Its totient is φ = 1056821062.

The previous prime is 2113642121. The next prime is 2113642169. The reversal of 2113642126 is 6212463112.

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

It is a junction number, because it is equal to n+sod(n) for n = 2113642094 and 2113642103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113642121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528410530 + ... + 528410533.

It is an arithmetic number, because the mean of its divisors is an integer number (792615798).

Almost surely, 2^2113642126 is an apocalyptic number.

2113642126 is a deficient number, since it is larger than the sum of its proper divisors (1056821066).

2113642126 is a wasteful number, since it uses less digits than its factorization.

2113642126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056821065.

The product of its digits is 3456, while the sum is 28.

The square root of 2113642126 is about 45974.3637911391. The cubic root of 2113642126 is about 1283.3461695611.

The spelling of 2113642126 in words is "two billion, one hundred thirteen million, six hundred forty-two thousand, one hundred twenty-six".