2142130342 has 8 divisors (see below), whose sum is σ = 3505304232. Its totient is φ = 973695600.

The previous prime is 2142130313. The next prime is 2142130343. The reversal of 2142130342 is 2430312412.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 97369561 = 2142130342 / (2 + 1 + 4 + 2 + 1 + 3 + 0 + 3 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142130343) 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, 48684759 + ... + 48684802.

It is an arithmetic number, because the mean of its divisors is an integer number (438163029).

Almost surely, 2^2142130342 is an apocalyptic number.

2142130342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2142130342 is a deficient number, since it is larger than the sum of its proper divisors (1363173890).

2142130342 is a wasteful number, since it uses less digits than its factorization.

2142130342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97369574.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2142130342 is about 46283.1539763660. The cubic root of 2142130342 is about 1289.0862150315.

Adding to 2142130342 its reverse (2430312412), we get a palindrome (4572442754).

The spelling of 2142130342 in words is "two billion, one hundred forty-two million, one hundred thirty thousand, three hundred forty-two".