136354631144 has 8 divisors (see below), whose sum is σ = 255664933410. Its totient is φ = 68177315568.

The previous prime is 136354631059. The next prime is 136354631177. The reversal of 136354631144 is 441136453631.

It can be written as a sum of positive squares in only one way, i.e., 134221115044 + 2133516100 = 366362^2 + 46190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8522164439 + ... + 8522164454.

Almost surely, 2^136354631144 is an apocalyptic number.

It is an amenable number.

136354631144 is a deficient number, since it is larger than the sum of its proper divisors (119310302266).

136354631144 is a wasteful number, since it uses less digits than its factorization.

136354631144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17044328899 (or 17044328895 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The spelling of 136354631144 in words is "one hundred thirty-six billion, three hundred fifty-four million, six hundred thirty-one thousand, one hundred forty-four".