136131642342 has 12 divisors (see below), whose sum is σ = 294951891780. Its totient is φ = 45377214108.

The previous prime is 136131642293. The next prime is 136131642347. The reversal of 136131642342 is 243246131631.

136131642342 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 3 + 1 + 642 + 3 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 136131642297 and 136131642306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136131642347) 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, 3781434492 + ... + 3781434527.

It is an arithmetic number, because the mean of its divisors is an integer number (24579324315).

Almost surely, 2^136131642342 is an apocalyptic number.

136131642342 is an abundant number, since it is smaller than the sum of its proper divisors (158820249438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136131642342 is a wasteful number, since it uses less digits than its factorization.

136131642342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7562869027 (or 7562869024 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

Adding to 136131642342 its reverse (243246131631), we get a palindrome (379377773973).

The spelling of 136131642342 in words is "one hundred thirty-six billion, one hundred thirty-one million, six hundred forty-two thousand, three hundred forty-two".