136204211233877 has 2 divisors, whose sum is σ = 136204211233878. Its totient is φ = 136204211233876.

The previous prime is 136204211233817. The next prime is 136204211233933. The reversal of 136204211233877 is 778332112402631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135061726019236 + 1142485214641 = 11621606^2 + 1068871^2 .

It is an emirp because it is prime and its reverse (778332112402631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136204211233877 - 2⁸ = 136204211233621 is a prime.

It is a super-2 number, since 2×136204211233877² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136204211233817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68102105616938 + 68102105616939.

It is an arithmetic number, because the mean of its divisors is an integer number (68102105616939).

Almost surely, 2^{136204211233877} is an apocalyptic number.

It is an amenable number.

136204211233877 is a deficient number, since it is larger than the sum of its proper divisors (1).

136204211233877 is an equidigital number, since it uses as much as digits as its factorization.

136204211233877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 136204211233877 in words is "one hundred thirty-six trillion, two hundred four billion, two hundred eleven million, two hundred thirty-three thousand, eight hundred seventy-seven".