136627867461 has 4 divisors (see below), whose sum is σ = 182170489952. Its totient is φ = 91085244972.

The previous prime is 136627867457. The next prime is 136627867469. The reversal of 136627867461 is 164768726631.

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 not a de Polignac number, because 136627867461 - 2² = 136627867457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136627867469) 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, 22771311241 + ... + 22771311246.

It is an arithmetic number, because the mean of its divisors is an integer number (45542622488).

Almost surely, 2^136627867461 is an apocalyptic number.

It is an amenable number.

136627867461 is a deficient number, since it is larger than the sum of its proper divisors (45542622491).

136627867461 is an equidigital number, since it uses as much as digits as its factorization.

136627867461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45542622490.

The product of its digits is 12192768, while the sum is 57.

The spelling of 136627867461 in words is "one hundred thirty-six billion, six hundred twenty-seven million, eight hundred sixty-seven thousand, four hundred sixty-one".