136720540352 has 56 divisors (see below), whose sum is σ = 296863568832. Its totient is φ = 61957843200.

The previous prime is 136720540351. The next prime is 136720540367. The reversal of 136720540352 is 253045027631.

It is not an unprimeable number, because it can be changed into a prime (136720540351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60338 + ... + 526385.

Almost surely, 2^136720540352 is an apocalyptic number.

It is an amenable number.

136720540352 is an abundant number, since it is smaller than the sum of its proper divisors (160143028480).

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

136720540352 is a wasteful number, since it uses less digits than its factorization.

136720540352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587077 (or 587067 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 38.

Adding to 136720540352 its reverse (253045027631), we get a palindrome (389765567983).

The spelling of 136720540352 in words is "one hundred thirty-six billion, seven hundred twenty million, five hundred forty thousand, three hundred fifty-two".