2139280855 has 16 divisors (see below), whose sum is σ = 2621122560. Its totient is φ = 1675742112.

The previous prime is 2139280849. The next prime is 2139280877. The reversal of 2139280855 is 5580829312.

It is a cyclic number.

It is not a de Polignac number, because 2139280855 - 2¹⁹ = 2138756567 is a prime.

It is a super-3 number, since 3×2139280855³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36826 + ... + 75064.

It is an arithmetic number, because the mean of its divisors is an integer number (163820160).

Almost surely, 2^2139280855 is an apocalyptic number.

2139280855 is a deficient number, since it is larger than the sum of its proper divisors (481841705).

2139280855 is a wasteful number, since it uses less digits than its factorization.

2139280855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38478.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 2139280855 is about 46252.3605343554. The cubic root of 2139280855 is about 1288.5143755141.

The spelling of 2139280855 in words is "two billion, one hundred thirty-nine million, two hundred eighty thousand, eight hundred fifty-five".