220142137 has 2 divisors, whose sum is σ = 220142138. Its totient is φ = 220142136.

The previous prime is 220142089. The next prime is 220142141. The reversal of 220142137 is 731241022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128958736 + 91183401 = 11356^2 + 9549^2 .

It is a cyclic number.

It is not a de Polignac number, because 220142137 - 2¹⁵ = 220109369 is a prime.

It is not a weakly prime, because it can be changed into another prime (220142437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110071068 + 110071069.

It is an arithmetic number, because the mean of its divisors is an integer number (110071069).

Almost surely, 2^220142137 is an apocalyptic number.

It is an amenable number.

220142137 is a deficient number, since it is larger than the sum of its proper divisors (1).

220142137 is an equidigital number, since it uses as much as digits as its factorization.

220142137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 220142137 is about 14837.1876378241. The cubic root of 220142137 is about 603.8110538986.

Adding to 220142137 its reverse (731241022), we get a palindrome (951383159).

The spelling of 220142137 in words is "two hundred twenty million, one hundred forty-two thousand, one hundred thirty-seven".