136620101653061 has 4 divisors (see below), whose sum is σ = 147129340241772. Its totient is φ = 126110863064352.

The previous prime is 136620101652997. The next prime is 136620101653099. The reversal of 136620101653061 is 160356101026631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32345165172961 + 104274936480100 = 5687281^2 + 10211510^2 .

It is a cyclic number.

It is not a de Polignac number, because 136620101653061 - 2⁶ = 136620101652997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136620401653061) 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 3 ways as a sum of consecutive naturals, for example, 5254619294336 + ... + 5254619294361.

It is an arithmetic number, because the mean of its divisors is an integer number (36782335060443).

Almost surely, 2^{136620101653061} is an apocalyptic number.

It is an amenable number.

136620101653061 is a deficient number, since it is larger than the sum of its proper divisors (10509238588711).

136620101653061 is a wasteful number, since it uses less digits than its factorization.

136620101653061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10509238588710.

The product of its (nonzero) digits is 116640, while the sum is 41.

Adding to 136620101653061 its reverse (160356101026631), we get a palindrome (296976202679692).

The spelling of 136620101653061 in words is "one hundred thirty-six trillion, six hundred twenty billion, one hundred one million, six hundred fifty-three thousand, sixty-one".