136406102777 has 4 divisors (see below), whose sum is σ = 155892688896. Its totient is φ = 116919516660.

The previous prime is 136406102747. The next prime is 136406102801. The reversal of 136406102777 is 777201604631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136406102777 - 2⁶ = 136406102713 is a prime.

It is a super-2 number, since 2×136406102777² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136406102747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9743293049 + ... + 9743293062.

It is an arithmetic number, because the mean of its divisors is an integer number (38973172224).

Almost surely, 2^136406102777 is an apocalyptic number.

It is an amenable number.

136406102777 is a deficient number, since it is larger than the sum of its proper divisors (19486586119).

136406102777 is an equidigital number, since it uses as much as digits as its factorization.

136406102777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19486586118.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 136406102777 in words is "one hundred thirty-six billion, four hundred six million, one hundred two thousand, seven hundred seventy-seven".