136120220343 has 6 divisors (see below), whose sum is σ = 196618096064. Its totient is φ = 90746813556.

The previous prime is 136120220309. The next prime is 136120220351. The reversal of 136120220343 is 343022021631.

136120220343 is a `hidden beast` number, since 1 + 3 + 612 + 0 + 2 + 2 + 0 + 3 + 43 = 666.

It is not a de Polignac number, because 136120220343 - 2⁹ = 136120219831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136120220843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7562234455 + ... + 7562234472.

Almost surely, 2^136120220343 is an apocalyptic number.

136120220343 is a deficient number, since it is larger than the sum of its proper divisors (60497875721).

136120220343 is a wasteful number, since it uses less digits than its factorization.

136120220343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15124468933 (or 15124468930 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 136120220343 its reverse (343022021631), we get a palindrome (479142241974).

The spelling of 136120220343 in words is "one hundred thirty-six billion, one hundred twenty million, two hundred twenty thousand, three hundred forty-three".