2140155105 has 128 divisors (see below), whose sum is σ = 4013162496. Its totient is φ = 964454400.

The previous prime is 2140155047. The next prime is 2140155113. The reversal of 2140155105 is 5015510412.

It is not a de Polignac number, because 2140155105 - 2⁷ = 2140154977 is a prime.

It is a super-3 number, since 3×2140155105³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16851552 + ... + 16851678.

It is an arithmetic number, because the mean of its divisors is an integer number (31352832).

Almost surely, 2^2140155105 is an apocalyptic number.

It is an amenable number.

2140155105 is a deficient number, since it is larger than the sum of its proper divisors (1873007391).

2140155105 is a wasteful number, since it uses less digits than its factorization.

2140155105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 2140155105 is about 46261.8104379844. The cubic root of 2140155105 is about 1288.6898753436.

Adding to 2140155105 its reverse (5015510412), we get a palindrome (7155665517).

The spelling of 2140155105 in words is "two billion, one hundred forty million, one hundred fifty-five thousand, one hundred five".