136029391144 has 8 divisors (see below), whose sum is σ = 255055108410. Its totient is φ = 68014695568.

The previous prime is 136029391123. The next prime is 136029391219. The reversal of 136029391144 is 441193920631.

It can be written as a sum of positive squares in only one way, i.e., 120991274244 + 15038116900 = 347838^2 + 122630^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 136029391144.

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, 8501836939 + ... + 8501836954.

Almost surely, 2^136029391144 is an apocalyptic number.

It is an amenable number.

136029391144 is a deficient number, since it is larger than the sum of its proper divisors (119025717266).

136029391144 is a wasteful number, since it uses less digits than its factorization.

136029391144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17003673899 (or 17003673895 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 136029391144 in words is "one hundred thirty-six billion, twenty-nine million, three hundred ninety-one thousand, one hundred forty-four".