2113134450 has 96 divisors (see below), whose sum is σ = 6024364416. Its totient is φ = 480168960.

The previous prime is 2113134449. The next prime is 2113134451. The reversal of 2113134450 is 544313112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2113134449) and next prime (2113134451).

It is a self number, because there is not a number n which added to its sum of digits gives 2113134450.

It is not an unprimeable number, because it can be changed into a prime (2113134451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175834 + ... + 187466.

It is an arithmetic number, because the mean of its divisors is an integer number (62753796).

Almost surely, 2^2113134450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113134450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3012182208).

2113134450 is an abundant number, since it is smaller than the sum of its proper divisors (3911229966).

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

2113134450 is a wasteful number, since it uses less digits than its factorization.

2113134450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11828 (or 11823 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2113134450 is about 45968.8421651014. The cubic root of 2113134450 is about 1283.2434123011.

Adding to 2113134450 its reverse (544313112), we get a palindrome (2657447562).

The spelling of 2113134450 in words is "two billion, one hundred thirteen million, one hundred thirty-four thousand, four hundred fifty".