2187351580134 has 96 divisors (see below), whose sum is σ = 5209574524416. Its totient is φ = 610206125760.

The previous prime is 2187351580133. The next prime is 2187351580171. The reversal of 2187351580134 is 4310851537812.

It is a super-2 number, since 2×2187351580134² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2187351580133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5629377 + ... + 6005379.

It is an arithmetic number, because the mean of its divisors is an integer number (54266401296).

Almost surely, 2^{2187351580134} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2187351580134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2604787262208).

2187351580134 is an abundant number, since it is smaller than the sum of its proper divisors (3022222944282).

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

2187351580134 is a wasteful number, since it uses less digits than its factorization.

2187351580134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376490 (or 376483 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 2187351580134 in words is "two trillion, one hundred eighty-seven billion, three hundred fifty-one million, five hundred eighty thousand, one hundred thirty-four".