2140213442 has 4 divisors (see below), whose sum is σ = 3210320166. Its totient is φ = 1070106720.

The previous prime is 2140213429. The next prime is 2140213451. The reversal of 2140213442 is 2443120412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1905235201 + 234978241 = 43649^2 + 15329^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535053359 + ... + 535053362.

Almost surely, 2^2140213442 is an apocalyptic number.

2140213442 is a deficient number, since it is larger than the sum of its proper divisors (1070106724).

2140213442 is a wasteful number, since it uses less digits than its factorization.

2140213442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070106723.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2140213442 is about 46262.4409429507. The cubic root of 2140213442 is about 1288.7015844043.

Adding to 2140213442 its reverse (2443120412), we get a palindrome (4583333854).

The spelling of 2140213442 in words is "two billion, one hundred forty million, two hundred thirteen thousand, four hundred forty-two".