136171378761 has 8 divisors (see below), whose sum is σ = 198067460064. Its totient is φ = 82528108320.

The previous prime is 136171378757. The next prime is 136171378801. The reversal of 136171378761 is 167873171631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136171378761 - 2² = 136171378757 is a prime.

It is a super-4 number, since 4×136171378761⁴ (a number of 46 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (136171378961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2063202676 + ... + 2063202741.

It is an arithmetic number, because the mean of its divisors is an integer number (24758432508).

Almost surely, 2^136171378761 is an apocalyptic number.

136171378761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

136171378761 is a deficient number, since it is larger than the sum of its proper divisors (61896081303).

136171378761 is a wasteful number, since it uses less digits than its factorization.

136171378761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126405431.

The product of its digits is 889056, while the sum is 51.

The spelling of 136171378761 in words is "one hundred thirty-six billion, one hundred seventy-one million, three hundred seventy-eight thousand, seven hundred sixty-one".