134551722637 has 2 divisors, whose sum is σ = 134551722638. Its totient is φ = 134551722636.

The previous prime is 134551722611. The next prime is 134551722649. The reversal of 134551722637 is 736227155431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132631442596 + 1920280041 = 364186^2 + 43821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134551722637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134551722737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67275861318 + 67275861319.

It is an arithmetic number, because the mean of its divisors is an integer number (67275861319).

Almost surely, 2^134551722637 is an apocalyptic number.

It is an amenable number.

134551722637 is a deficient number, since it is larger than the sum of its proper divisors (1).

134551722637 is an equidigital number, since it uses as much as digits as its factorization.

134551722637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 46.

The spelling of 134551722637 in words is "one hundred thirty-four billion, five hundred fifty-one million, seven hundred twenty-two thousand, six hundred thirty-seven".