135597751697 has 8 divisors (see below), whose sum is σ = 136953816552. Its totient is φ = 134241952000.

The previous prime is 135597751603. The next prime is 135597751699. The reversal of 135597751697 is 796157795531.

It is a Cunningham number, because it is equal to 368236²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 8183735296 + 127414016401 = 90464^2 + 356951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135597751697 - 2¹⁴ = 135597735313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135597751699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056047 + ... + 1177467.

It is an arithmetic number, because the mean of its divisors is an integer number (17119227069).

Almost surely, 2^135597751697 is an apocalyptic number.

It is an amenable number.

135597751697 is a deficient number, since it is larger than the sum of its proper divisors (1356064855).

135597751697 is a wasteful number, since it uses less digits than its factorization.

135597751697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132579.

The product of its digits is 62511750, while the sum is 65.

The spelling of 135597751697 in words is "one hundred thirty-five billion, five hundred ninety-seven million, seven hundred fifty-one thousand, six hundred ninety-seven".