2142155130 has 16 divisors (see below), whose sum is σ = 5141172384. Its totient is φ = 571241360.

The previous prime is 2142155111. The next prime is 2142155137. The reversal of 2142155130 is 315512412.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2142155130.

It is not an unprimeable number, because it can be changed into a prime (2142155137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35702556 + ... + 35702615.

It is an arithmetic number, because the mean of its divisors is an integer number (321323274).

Almost surely, 2^2142155130 is an apocalyptic number.

2142155130 is an abundant number, since it is smaller than the sum of its proper divisors (2999017254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142155130 is a wasteful number, since it uses less digits than its factorization.

2142155130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71405181.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2142155130 is about 46283.4217620089. The cubic root of 2142155130 is about 1289.0911873006.

Adding to 2142155130 its reverse (315512412), we get a palindrome (2457667542).

The spelling of 2142155130 in words is "two billion, one hundred forty-two million, one hundred fifty-five thousand, one hundred thirty".