2138653652185 has 8 divisors (see below), whose sum is σ = 2566392552576. Its totient is φ = 1710917475120.

The previous prime is 2138653652171. The next prime is 2138653652207. The reversal of 2138653652185 is 5812563568312.

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

It is not a de Polignac number, because 2138653652185 - 2²³ = 2138645263577 is a prime.

It is a super-3 number, since 3×2138653652185³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2023120 + ... + 2893150.

It is an arithmetic number, because the mean of its divisors is an integer number (320799069072).

Almost surely, 2^{2138653652185} is an apocalyptic number.

It is an amenable number.

2138653652185 is a deficient number, since it is larger than the sum of its proper divisors (427738900391).

2138653652185 is an equidigital number, since it uses as much as digits as its factorization.

2138653652185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361663.

The product of its digits is 10368000, while the sum is 55.

The spelling of 2138653652185 in words is "two trillion, one hundred thirty-eight billion, six hundred fifty-three million, six hundred fifty-two thousand, one hundred eighty-five".