2171376142 has 8 divisors (see below), whose sum is σ = 3507607656. Its totient is φ = 1002173592.

The previous prime is 2171376127. The next prime is 2171376149. The reversal of 2171376142 is 2416731712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2171376098 and 2171376107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2171376149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41757208 + ... + 41757259.

It is an arithmetic number, because the mean of its divisors is an integer number (438450957).

Almost surely, 2^2171376142 is an apocalyptic number.

2171376142 is a deficient number, since it is larger than the sum of its proper divisors (1336231514).

2171376142 is a wasteful number, since it uses less digits than its factorization.

2171376142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83514482.

The product of its digits is 14112, while the sum is 34.

The square root of 2171376142 is about 46598.0272329205. The cubic root of 2171376142 is about 1294.9262077877.

The spelling of 2171376142 in words is "two billion, one hundred seventy-one million, three hundred seventy-six thousand, one hundred forty-two".