136506434742 has 12 divisors (see below), whose sum is σ = 295763941980. Its totient is φ = 45502144908.

The previous prime is 136506434741. The next prime is 136506434761. The reversal of 136506434742 is 247434605631.

136506434742 is a `hidden beast` number, since 1 + 36 + 506 + 43 + 4 + 74 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136506434741) 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, 3791845392 + ... + 3791845427.

It is an arithmetic number, because the mean of its divisors is an integer number (24646995165).

Almost surely, 2^136506434742 is an apocalyptic number.

136506434742 is an abundant number, since it is smaller than the sum of its proper divisors (159257507238).

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

136506434742 is a wasteful number, since it uses less digits than its factorization.

136506434742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7583690827 (or 7583690824 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 136506434742 in words is "one hundred thirty-six billion, five hundred six million, four hundred thirty-four thousand, seven hundred forty-two".