108136357531 has 2 divisors, whose sum is σ = 108136357532. Its totient is φ = 108136357530.

The previous prime is 108136357501. The next prime is 108136357577. The reversal of 108136357531 is 135753631801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108136357531 - 2¹⁷ = 108136226459 is a prime.

It is a super-2 number, since 2×108136357531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (108136357501) 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 as a sum of consecutive naturals, namely, 54068178765 + 54068178766.

It is an arithmetic number, because the mean of its divisors is an integer number (54068178766).

Almost surely, 2^108136357531 is an apocalyptic number.

108136357531 is a deficient number, since it is larger than the sum of its proper divisors (1).

108136357531 is an equidigital number, since it uses as much as digits as its factorization.

108136357531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 108136357531 in words is "one hundred eight billion, one hundred thirty-six million, three hundred fifty-seven thousand, five hundred thirty-one".