139622589261437 has 2 divisors, whose sum is σ = 139622589261438. Its totient is φ = 139622589261436.

The previous prime is 139622589261373. The next prime is 139622589261451. The reversal of 139622589261437 is 734162985226931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70784188995556 + 68838400265881 = 8413334^2 + 8296891^2 .

It is a cyclic number.

It is not a de Polignac number, because 139622589261437 - 2⁶ = 139622589261373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139622589261487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69811294630718 + 69811294630719.

It is an arithmetic number, because the mean of its divisors is an integer number (69811294630719).

Almost surely, 2^{139622589261437} is an apocalyptic number.

It is an amenable number.

139622589261437 is a deficient number, since it is larger than the sum of its proper divisors (1).

139622589261437 is an equidigital number, since it uses as much as digits as its factorization.

139622589261437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235146240, while the sum is 68.

The spelling of 139622589261437 in words is "one hundred thirty-nine trillion, six hundred twenty-two billion, five hundred eighty-nine million, two hundred sixty-one thousand, four hundred thirty-seven".