2126388773140 has 12 divisors (see below), whose sum is σ = 4465416423636. Its totient is φ = 850555509248.

The previous prime is 2126388773111. The next prime is 2126388773141. The reversal of 2126388773140 is 413778836212.

It can be written as a sum of positive squares in 2 ways, for example, as 263524115716 + 1862864657424 = 513346^2 + 1364868^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126388773141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53159719309 + ... + 53159719348.

It is an arithmetic number, because the mean of its divisors is an integer number (372118035303).

Almost surely, 2^{2126388773140} is an apocalyptic number.

2126388773140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2126388773140 is an abundant number, since it is smaller than the sum of its proper divisors (2339027650496).

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

2126388773140 is a wasteful number, since it uses less digits than its factorization.

2126388773140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106319438666 (or 106319438664 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 2126388773140 in words is "two trillion, one hundred twenty-six billion, three hundred eighty-eight million, seven hundred seventy-three thousand, one hundred forty".