136770554915 has 4 divisors (see below), whose sum is σ = 164124665904. Its totient is φ = 109416443928.

The previous prime is 136770554911. The next prime is 136770554923. The reversal of 136770554915 is 519455077631.

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

It is a cyclic number.

It is not a de Polignac number, because 136770554915 - 2² = 136770554911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136770554911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13677055487 + ... + 13677055496.

It is an arithmetic number, because the mean of its divisors is an integer number (41031166476).

Almost surely, 2^136770554915 is an apocalyptic number.

136770554915 is a deficient number, since it is larger than the sum of its proper divisors (27354110989).

136770554915 is an equidigital number, since it uses as much as digits as its factorization.

136770554915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27354110988.

The product of its (nonzero) digits is 3969000, while the sum is 53.

The spelling of 136770554915 in words is "one hundred thirty-six billion, seven hundred seventy million, five hundred fifty-four thousand, nine hundred fifteen".