2138520853246 has 8 divisors (see below), whose sum is σ = 3232268160264. Its totient is φ = 1061098133160.

The previous prime is 2138520853229. The next prime is 2138520853303. The reversal of 2138520853246 is 6423580258312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2138520853246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4081146405 + ... + 4081146928.

It is an arithmetic number, because the mean of its divisors is an integer number (404033520033).

Almost surely, 2^{2138520853246} is an apocalyptic number.

2138520853246 is a deficient number, since it is larger than the sum of its proper divisors (1093747307018).

2138520853246 is a wasteful number, since it uses less digits than its factorization.

2138520853246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8162293466.

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 2138520853246 in words is "two trillion, one hundred thirty-eight billion, five hundred twenty million, eight hundred fifty-three thousand, two hundred forty-six".