136220103624545 has 32 divisors (see below), whose sum is σ = 168999097661856. Its totient is φ = 105327489024000.

The previous prime is 136220103624511. The next prime is 136220103624547. The reversal of 136220103624545 is 545426301022631.

It can be written as a sum of positive squares in 16 ways, for example, as 18139694301184 + 118080409323361 = 4259072^2 + 10866481^2 .

It is not a de Polignac number, because 136220103624545 - 2¹² = 136220103620449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136220103624496 and 136220103624505.

It is not an unprimeable number, because it can be changed into a prime (136220103624547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14068997 + ... + 21688173.

It is an arithmetic number, because the mean of its divisors is an integer number (5281221801933).

Almost surely, 2^{136220103624545} is an apocalyptic number.

It is an amenable number.

136220103624545 is a deficient number, since it is larger than the sum of its proper divisors (32778994037311).

136220103624545 is a wasteful number, since it uses less digits than its factorization.

136220103624545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7619861.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 136220103624545 in words is "one hundred thirty-six trillion, two hundred twenty billion, one hundred three million, six hundred twenty-four thousand, five hundred forty-five".