220142134 has 4 divisors (see below), whose sum is σ = 330213204. Its totient is φ = 110071066.

The previous prime is 220142089. The next prime is 220142137. The reversal of 220142134 is 431241022.

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 (220142137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55035532 + ... + 55035535.

It is an arithmetic number, because the mean of its divisors is an integer number (82553301).

Almost surely, 2^220142134 is an apocalyptic number.

220142134 is a deficient number, since it is larger than the sum of its proper divisors (110071070).

220142134 is a wasteful number, since it uses less digits than its factorization.

220142134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110071069.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 220142134 is about 14837.1875367268. The cubic root of 220142134 is about 603.8110511558.

Adding to 220142134 its reverse (431241022), we get a palindrome (651383156).

The spelling of 220142134 in words is "two hundred twenty million, one hundred forty-two thousand, one hundred thirty-four".