136975522530 has 128 divisors (see below), whose sum is σ = 413620162560. Its totient is φ = 28201271040.

The previous prime is 136975522459. The next prime is 136975522531. The reversal of 136975522530 is 35225579631.

It is a self number, because there is not a number n which added to its sum of digits gives 136975522530.

It is not an unprimeable number, because it can be changed into a prime (136975522531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20214 + ... + 523793.

It is an arithmetic number, because the mean of its divisors is an integer number (3231407520).

Almost surely, 2^136975522530 is an apocalyptic number.

136975522530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 136975522530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206810081280).

136975522530 is an abundant number, since it is smaller than the sum of its proper divisors (276644640030).

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

136975522530 is a wasteful number, since it uses less digits than its factorization.

136975522530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544144.

The product of its (nonzero) digits is 1701000, while the sum is 48.

The spelling of 136975522530 in words is "one hundred thirty-six billion, nine hundred seventy-five million, five hundred twenty-two thousand, five hundred thirty".