136674677471 has 4 divisors (see below), whose sum is σ = 137672302992. Its totient is φ = 135677051952.

The previous prime is 136674677443. The next prime is 136674677497. The reversal of 136674677471 is 174776476631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174776476631 = 239 ⋅731282329.

It is a cyclic number.

It is not a de Polignac number, because 136674677471 - 2²⁶ = 136607568607 is a prime.

It is a super-3 number, since 3×136674677471³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136674677471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136674674471) 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, 498812555 + ... + 498812828.

It is an arithmetic number, because the mean of its divisors is an integer number (34418075748).

Almost surely, 2^136674677471 is an apocalyptic number.

136674677471 is a deficient number, since it is larger than the sum of its proper divisors (997625521).

136674677471 is an equidigital number, since it uses as much as digits as its factorization.

136674677471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997625520.

The product of its digits is 24893568, while the sum is 59.

The spelling of 136674677471 in words is "one hundred thirty-six billion, six hundred seventy-four million, six hundred seventy-seven thousand, four hundred seventy-one".