2134634544 has 120 divisors (see below), whose sum is σ = 6867468192. Its totient is φ = 606320640.

The previous prime is 2134634501. The next prime is 2134634561. The reversal of 2134634544 is 4454364312.

2134634544 is a `hidden beast` number, since 2 + 13 + 4 + 634 + 5 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2134634499 and 2134634508.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168264 + ... + 180504.

Almost surely, 2^2134634544 is an apocalyptic number.

2134634544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2134634544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3433734096).

2134634544 is an abundant number, since it is smaller than the sum of its proper divisors (4732833648).

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

2134634544 is a wasteful number, since it uses less digits than its factorization.

2134634544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12435 (or 12426 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 2134634544 is about 46202.1054065721. The cubic root of 2134634544 is about 1287.5808565049.

Adding to 2134634544 its reverse (4454364312), we get a palindrome (6588998856).

The spelling of 2134634544 in words is "two billion, one hundred thirty-four million, six hundred thirty-four thousand, five hundred forty-four".