2134451934 has 96 divisors (see below), whose sum is σ = 4976562240. Its totient is φ = 659602944.

The previous prime is 2134451903. The next prime is 2134451951. The reversal of 2134451934 is 4391544312.

2134451934 is a `hidden beast` number, since 2 + 134 + 4 + 519 + 3 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1952292 + ... + 1953384.

It is an arithmetic number, because the mean of its divisors is an integer number (51839190).

Almost surely, 2^2134451934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2134451934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2488281120).

2134451934 is an abundant number, since it is smaller than the sum of its proper divisors (2842110306).

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

2134451934 is a wasteful number, since it uses less digits than its factorization.

2134451934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266 (or 1263 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 2134451934 is about 46200.1291556636. The cubic root of 2134451934 is about 1287.5441395494.

The spelling of 2134451934 in words is "two billion, one hundred thirty-four million, four hundred fifty-one thousand, nine hundred thirty-four".