136126474277 has 4 divisors (see below), whose sum is σ = 136569883296. Its totient is φ = 135683065260.

The previous prime is 136126474241. The next prime is 136126474327. The reversal of 136126474277 is 772474621631.

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 136126474277 - 2⁶ = 136126474213 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 (136126479277) 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, 221704049 + ... + 221704662.

It is an arithmetic number, because the mean of its divisors is an integer number (34142470824).

Almost surely, 2^136126474277 is an apocalyptic number.

It is an amenable number.

136126474277 is a deficient number, since it is larger than the sum of its proper divisors (443409019).

136126474277 is an equidigital number, since it uses as much as digits as its factorization.

136126474277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443409018.

The product of its digits is 2370816, while the sum is 50.

The spelling of 136126474277 in words is "one hundred thirty-six billion, one hundred twenty-six million, four hundred seventy-four thousand, two hundred seventy-seven".