137722289 has 2 divisors, whose sum is σ = 137722290. Its totient is φ = 137722288.

The previous prime is 137722237. The next prime is 137722297. The reversal of 137722289 is 982227731.

137722289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130873600 + 6848689 = 11440^2 + 2617^2 .

It is a cyclic number.

It is not a de Polignac number, because 137722289 - 2⁸ = 137722033 is a prime.

It is not a weakly prime, because it can be changed into another prime (137752289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68861144 + 68861145.

It is an arithmetic number, because the mean of its divisors is an integer number (68861145).

Almost surely, 2^137722289 is an apocalyptic number.

It is an amenable number.

137722289 is a deficient number, since it is larger than the sum of its proper divisors (1).

137722289 is an equidigital number, since it uses as much as digits as its factorization.

137722289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 137722289 is about 11735.5140066381. The cubic root of 137722289 is about 516.4180467841.

It can be divided in two parts, 13772 and 2289, that added together give a palindrome (16061).

The spelling of 137722289 in words is "one hundred thirty-seven million, seven hundred twenty-two thousand, two hundred eighty-nine".