2136725071890 has 64 divisors (see below), whose sum is σ = 5400202521600. Its totient is φ = 539588205504.

The previous prime is 2136725071849. The next prime is 2136725071903. The reversal of 2136725071890 is 981705276312.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 677881 + ... + 2175539.

It is an arithmetic number, because the mean of its divisors is an integer number (84378164400).

Almost surely, 2^{2136725071890} is an apocalyptic number.

2136725071890 is an abundant number, since it is smaller than the sum of its proper divisors (3263477449710).

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

2136725071890 is a wasteful number, since it uses less digits than its factorization.

2136725071890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500191.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 2136725071890 in words is "two trillion, one hundred thirty-six billion, seven hundred twenty-five million, seventy-one thousand, eight hundred ninety".