136631605534 has 4 divisors (see below), whose sum is σ = 204947408304. Its totient is φ = 68315802766.

The previous prime is 136631605511. The next prime is 136631605559. The reversal of 136631605534 is 435506136631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34157901382 + ... + 34157901385.

It is an arithmetic number, because the mean of its divisors is an integer number (51236852076).

Almost surely, 2^136631605534 is an apocalyptic number.

136631605534 is a deficient number, since it is larger than the sum of its proper divisors (68315802770).

136631605534 is an equidigital number, since it uses as much as digits as its factorization.

136631605534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68315802769.

The product of its (nonzero) digits is 583200, while the sum is 43.

The spelling of 136631605534 in words is "one hundred thirty-six billion, six hundred thirty-one million, six hundred five thousand, five hundred thirty-four".