136545251144 has 24 divisors (see below), whose sum is σ = 265155141810. Its totient is φ = 65918393856.

The previous prime is 136545251137. The next prime is 136545251209. The reversal of 136545251144 is 441152545631.

It can be written as a sum of positive squares in 3 ways, for example, as 97800052900 + 38745198244 = 312730^2 + 196838^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10140809 + ... + 10154264.

Almost surely, 2^136545251144 is an apocalyptic number.

It is an amenable number.

136545251144 is a deficient number, since it is larger than the sum of its proper divisors (128609890666).

136545251144 is a wasteful number, since it uses less digits than its factorization.

136545251144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20295137 (or 20295104 counting only the distinct ones).

The product of its digits is 288000, while the sum is 41.

Adding to 136545251144 its reverse (441152545631), we get a palindrome (577697796775).

The spelling of 136545251144 in words is "one hundred thirty-six billion, five hundred forty-five million, two hundred fifty-one thousand, one hundred forty-four".