136846618501 has 2 divisors, whose sum is σ = 136846618502. Its totient is φ = 136846618500.

The previous prime is 136846618463. The next prime is 136846618511. The reversal of 136846618501 is 105816648631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102112841601 + 34733776900 = 319551^2 + 186370^2 .

It is a cyclic number.

It is not a de Polignac number, because 136846618501 - 2¹¹ = 136846616453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136846618511) 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, 68423309250 + 68423309251.

It is an arithmetic number, because the mean of its divisors is an integer number (68423309251).

Almost surely, 2^136846618501 is an apocalyptic number.

It is an amenable number.

136846618501 is a deficient number, since it is larger than the sum of its proper divisors (1).

136846618501 is an equidigital number, since it uses as much as digits as its factorization.

136846618501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 136846618501 in words is "one hundred thirty-six billion, eight hundred forty-six million, six hundred eighteen thousand, five hundred one".