2154052135134 has 96 divisors (see below), whose sum is σ = 4880091041280. Its totient is φ = 685382157504.

The previous prime is 2154052135127. The next prime is 2154052135141. The reversal of 2154052135134 is 4315312504512.

2154052135134 is a `hidden beast` number, since 2 + 1 + 5 + 405 + 213 + 5 + 1 + 34 = 666.

It is an interprime number because it is at equal distance from previous prime (2154052135127) and next prime (2154052135141).

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, 557609287 + ... + 557613149.

It is an arithmetic number, because the mean of its divisors is an integer number (50834281680).

Almost surely, 2^{2154052135134} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2154052135134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2440045520640).

2154052135134 is an abundant number, since it is smaller than the sum of its proper divisors (2726038906146).

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

2154052135134 is a wasteful number, since it uses less digits than its factorization.

2154052135134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6326 (or 6323 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 2154052135134 its reverse (4315312504512), we get a palindrome (6469364639646).

The spelling of 2154052135134 in words is "two trillion, one hundred fifty-four billion, fifty-two million, one hundred thirty-five thousand, one hundred thirty-four".