136343421351 has 24 divisors (see below), whose sum is σ = 198581029920. Its totient is φ = 90141249600.

The previous prime is 136343421349. The next prime is 136343421359. The reversal of 136343421351 is 153124343631.

136343421351 is a `hidden beast` number, since 1 + 3 + 6 + 3 + 434 + 213 + 5 + 1 = 666.

It is not a de Polignac number, because 136343421351 - 2¹ = 136343421349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136343421359) 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 23 ways as a sum of consecutive naturals, for example, 468241 + ... + 701381.

It is an arithmetic number, because the mean of its divisors is an integer number (8274209580).

Almost surely, 2^136343421351 is an apocalyptic number.

136343421351 is a deficient number, since it is larger than the sum of its proper divisors (62237608569).

136343421351 is a wasteful number, since it uses less digits than its factorization.

136343421351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233687 (or 233684 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

Adding to 136343421351 its reverse (153124343631), we get a palindrome (289467764982).

The spelling of 136343421351 in words is "one hundred thirty-six billion, three hundred forty-three million, four hundred twenty-one thousand, three hundred fifty-one".