136620115542 has 48 divisors (see below), whose sum is σ = 300402451440. Its totient is φ = 44867961600.

The previous prime is 136620115517. The next prime is 136620115547. The reversal of 136620115542 is 245511026631.

136620115542 is a `hidden beast` number, since 1 + 36 + 62 + 0 + 11 + 554 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 136620115497 and 136620115506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136620115547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298417 + ... + 601907.

It is an arithmetic number, because the mean of its divisors is an integer number (6258384405).

Almost surely, 2^136620115542 is an apocalyptic number.

136620115542 is an abundant number, since it is smaller than the sum of its proper divisors (163782335898).

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

136620115542 is a wasteful number, since it uses less digits than its factorization.

136620115542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303869 (or 303866 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 136620115542 in words is "one hundred thirty-six billion, six hundred twenty million, one hundred fifteen thousand, five hundred forty-two".