136157052436 has 12 divisors (see below), whose sum is σ = 238671309940. Its totient is φ = 67965249600.

The previous prime is 136157052431. The next prime is 136157052439. The reversal of 136157052436 is 634250751631.

It can be written as a sum of positive squares in 2 ways, for example, as 118797408900 + 17359643536 = 344670^2 + 131756^2 .

It is a junction number, because it is equal to n+sod(n) for n = 136157052392 and 136157052401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136157052431) 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 3 ways as a sum of consecutive naturals, for example, 28316451 + ... + 28321258.

Almost surely, 2^136157052436 is an apocalyptic number.

It is an amenable number.

136157052436 is a deficient number, since it is larger than the sum of its proper divisors (102514257504).

136157052436 is a wasteful number, since it uses less digits than its factorization.

136157052436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56638314 (or 56638312 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 136157052436 in words is "one hundred thirty-six billion, one hundred fifty-seven million, fifty-two thousand, four hundred thirty-six".