136644031126 has 8 divisors (see below), whose sum is σ = 205087118544. Its totient is φ = 68281658280.

The previous prime is 136644031123. The next prime is 136644031189. The reversal of 136644031126 is 621130446631.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136644031123) 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, 20174410 + ... + 20181181.

It is an arithmetic number, because the mean of its divisors is an integer number (25635889818).

Almost surely, 2^136644031126 is an apocalyptic number.

136644031126 is a deficient number, since it is larger than the sum of its proper divisors (68443087418).

136644031126 is a wasteful number, since it uses less digits than its factorization.

136644031126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40357286.

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 136644031126 its reverse (621130446631), we get a palindrome (757774477757).

The spelling of 136644031126 in words is "one hundred thirty-six billion, six hundred forty-four million, thirty-one thousand, one hundred twenty-six".