2142074140 has 12 divisors (see below), whose sum is σ = 4498355736. Its totient is φ = 856829648.

The previous prime is 2142074131. The next prime is 2142074153. The reversal of 2142074140 is 414702412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53551834 + ... + 53551873.

It is an arithmetic number, because the mean of its divisors is an integer number (374862978).

Almost surely, 2^2142074140 is an apocalyptic number.

2142074140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142074140 is an abundant number, since it is smaller than the sum of its proper divisors (2356281596).

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

2142074140 is a wasteful number, since it uses less digits than its factorization.

2142074140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107103716 (or 107103714 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2142074140 is about 46282.5468184282. The cubic root of 2142074140 is about 1289.0749412299.

Adding to 2142074140 its reverse (414702412), we get a palindrome (2556776552).

The spelling of 2142074140 in words is "two billion, one hundred forty-two million, seventy-four thousand, one hundred forty".