2140221134 has 4 divisors (see below), whose sum is σ = 3210331704. Its totient is φ = 1070110566.

The previous prime is 2140221131. The next prime is 2140221163. The reversal of 2140221134 is 4311220412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140221131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535055282 + ... + 535055285.

It is an arithmetic number, because the mean of its divisors is an integer number (802582926).

Almost surely, 2^2140221134 is an apocalyptic number.

2140221134 is a deficient number, since it is larger than the sum of its proper divisors (1070110570).

2140221134 is a wasteful number, since it uses less digits than its factorization.

2140221134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070110569.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2140221134 is about 46262.5240772701. The cubic root of 2140221134 is about 1288.7031282816.

Adding to 2140221134 its reverse (4311220412), we get a palindrome (6451441546).

The spelling of 2140221134 in words is "two billion, one hundred forty million, two hundred twenty-one thousand, one hundred thirty-four".