2142013140 has 48 divisors (see below), whose sum is σ = 6664042560. Its totient is φ = 571203360.

The previous prime is 2142013079. The next prime is 2142013177. The reversal of 2142013140 is 413102412.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1982806 + ... + 1983885.

It is an arithmetic number, because the mean of its divisors is an integer number (138834220).

Almost surely, 2^2142013140 is an apocalyptic number.

2142013140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142013140 is an abundant number, since it is smaller than the sum of its proper divisors (4522029420).

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

2142013140 is a wasteful number, since it uses less digits than its factorization.

2142013140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966709 (or 3966701 counting only the distinct ones).

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

The square root of 2142013140 is about 46281.8878180223. The cubic root of 2142013140 is about 1289.0627047537.

Adding to 2142013140 its reverse (413102412), we get a palindrome (2555115552).

The spelling of 2142013140 in words is "two billion, one hundred forty-two million, thirteen thousand, one hundred forty".