2140737691876 has 81 divisors (see below), whose sum is σ = 4468566813627. Its totient is φ = 894730811520.

The previous prime is 2140737691823. The next prime is 2140737691901. The reversal of 2140737691876 is 6781967370412.

The square root of 2140737691876 is 1463126.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 6917914276 + 2133819777600 = 83174^2 + 1460760^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 839833050 + ... + 839835598.

Almost surely, 2^{2140737691876} is an apocalyptic number.

2140737691876 is the 1463126-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2140737691876

2140737691876 is an abundant number, since it is smaller than the sum of its proper divisors (2327829121751).

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

2140737691876 is an frugal number, since it uses more digits than its factorization.

2140737691876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198 (or 2599 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 61.

The spelling of 2140737691876 in words is "two trillion, one hundred forty billion, seven hundred thirty-seven million, six hundred ninety-one thousand, eight hundred seventy-six".