136274217877 has 16 divisors (see below), whose sum is σ = 157946959872. Its totient is φ = 115162720560.

The previous prime is 136274217773. The next prime is 136274217881. The reversal of 136274217877 is 778712472631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 136274217877 - 2¹¹ = 136274215829 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 (136274317877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252649 + ... + 579982.

It is an arithmetic number, because the mean of its divisors is an integer number (9871684992).

Almost surely, 2^136274217877 is an apocalyptic number.

It is an amenable number.

136274217877 is a deficient number, since it is larger than the sum of its proper divisors (21672741995).

136274217877 is a wasteful number, since it uses less digits than its factorization.

136274217877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832968.

The product of its digits is 5531904, while the sum is 55.

The spelling of 136274217877 in words is "one hundred thirty-six billion, two hundred seventy-four million, two hundred seventeen thousand, eight hundred seventy-seven".