2100208134 has 16 divisors (see below), whose sum is σ = 4313941488. Its totient is φ = 681148512.

The previous prime is 2100208109. The next prime is 2100208139. The reversal of 2100208134 is 4318020012.

It is a super-2 number, since 2×2100208134² = 8821748412239523912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2100208134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100208139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4729977 + ... + 4730420.

It is an arithmetic number, because the mean of its divisors is an integer number (269621343).

Almost surely, 2^2100208134 is an apocalyptic number.

2100208134 is an abundant number, since it is smaller than the sum of its proper divisors (2213733354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100208134 is a wasteful number, since it uses less digits than its factorization.

2100208134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9460439.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2100208134 is about 45828.0278214108. The cubic root of 2100208134 is about 1280.6214702667.

Adding to 2100208134 its reverse (4318020012), we get a palindrome (6418228146).

The spelling of 2100208134 in words is "two billion, one hundred million, two hundred eight thousand, one hundred thirty-four".