135997116341 has 4 divisors (see below), whose sum is σ = 143996946732. Its totient is φ = 127997285952.

The previous prime is 135997116287. The next prime is 135997116361. The reversal of 135997116341 is 143611799531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92349132100 + 43647984241 = 303890^2 + 208921^2 .

It is a cyclic number.

It is not a de Polignac number, because 135997116341 - 2³⁰ = 134923374517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135997116341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135997116361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3999915170 + ... + 3999915203.

It is an arithmetic number, because the mean of its divisors is an integer number (35999236683).

Almost surely, 2^135997116341 is an apocalyptic number.

It is an amenable number.

135997116341 is a deficient number, since it is larger than the sum of its proper divisors (7999830391).

135997116341 is an equidigital number, since it uses as much as digits as its factorization.

135997116341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7999830390.

The product of its digits is 612360, while the sum is 50.

The spelling of 135997116341 in words is "one hundred thirty-five billion, nine hundred ninety-seven million, one hundred sixteen thousand, three hundred forty-one".