2140342101 has 12 divisors (see below), whose sum is σ = 3112081440. Its totient is φ = 1417444200.

The previous prime is 2140342097. The next prime is 2140342103. The reversal of 2140342101 is 1012430412.

It is not a de Polignac number, because 2140342101 - 2² = 2140342097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140342103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 786111 + ... + 788828.

It is an arithmetic number, because the mean of its divisors is an integer number (259340120).

Almost surely, 2^2140342101 is an apocalyptic number.

It is an amenable number.

2140342101 is a deficient number, since it is larger than the sum of its proper divisors (971739339).

2140342101 is a wasteful number, since it uses less digits than its factorization.

2140342101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575096 (or 1575093 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2140342101 is about 46263.8314561170. The cubic root of 2140342101 is about 1288.7274073326.

Adding to 2140342101 its reverse (1012430412), we get a palindrome (3152772513).

It can be divided in two parts, 21403 and 42101, that added together give a square (63504 = 252²).

The spelling of 2140342101 in words is "two billion, one hundred forty million, three hundred forty-two thousand, one hundred one".