2140605214436 has 72 divisors (see below), whose sum is σ = 4236877370880. Its totient is φ = 944094438144.

The previous prime is 2140605214427. The next prime is 2140605214469. The reversal of 2140605214436 is 6344125060412.

It is a self number, because there is not a number n which added to its sum of digits gives 2140605214436.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15994445 + ... + 16127723.

It is an arithmetic number, because the mean of its divisors is an integer number (58845519040).

Almost surely, 2^{2140605214436} is an apocalyptic number.

2140605214436 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2140605214436 is a deficient number, since it is larger than the sum of its proper divisors (2096272156444).

2140605214436 is a wasteful number, since it uses less digits than its factorization.

2140605214436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134365 (or 134350 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 2140605214436 in words is "two trillion, one hundred forty billion, six hundred five million, two hundred fourteen thousand, four hundred thirty-six".