136660143055355 has 4 divisors (see below), whose sum is σ = 163992171666432. Its totient is φ = 109328114444280.

The previous prime is 136660143055343. The next prime is 136660143055357. The reversal of 136660143055355 is 553550341066631.

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

It is not a de Polignac number, because 136660143055355 - 2³² = 136655848088059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136660143055297 and 136660143055306.

It is not an unprimeable number, because it can be changed into a prime (136660143055357) 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, 13666014305531 + ... + 13666014305540.

It is an arithmetic number, because the mean of its divisors is an integer number (40998042916608).

Almost surely, 2^{136660143055355} is an apocalyptic number.

136660143055355 is a deficient number, since it is larger than the sum of its proper divisors (27332028611077).

136660143055355 is an equidigital number, since it uses as much as digits as its factorization.

136660143055355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27332028611076.

The product of its (nonzero) digits is 14580000, while the sum is 53.

The spelling of 136660143055355 in words is "one hundred thirty-six trillion, six hundred sixty billion, one hundred forty-three million, fifty-five thousand, three hundred fifty-five".