2139243748086 has 32 divisors (see below), whose sum is σ = 4283833010688. Its totient is φ = 712190841120.

The previous prime is 2139243748067. The next prime is 2139243748091. The reversal of 2139243748086 is 6808473429312.

It is a super-4 number, since 4×2139243748086⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17169465 + ... + 17293611.

It is an arithmetic number, because the mean of its divisors is an integer number (133869781584).

Almost surely, 2^{2139243748086} is an apocalyptic number.

2139243748086 is an abundant number, since it is smaller than the sum of its proper divisors (2144589262602).

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

2139243748086 is a wasteful number, since it uses less digits than its factorization.

2139243748086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127716.

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 2139243748086 in words is "two trillion, one hundred thirty-nine billion, two hundred forty-three million, seven hundred forty-eight thousand, eighty-six".