136254041243 has 8 divisors (see below), whose sum is σ = 140698654080. Its totient is φ = 131812511040.

The previous prime is 136254041179. The next prime is 136254041257. The reversal of 136254041243 is 342140452631.

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

It is a cyclic number.

It is not a de Polignac number, because 136254041243 - 2⁶ = 136254041179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136254041743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680648 + ... + 857781.

It is an arithmetic number, because the mean of its divisors is an integer number (17587331760).

Almost surely, 2^136254041243 is an apocalyptic number.

136254041243 is a deficient number, since it is larger than the sum of its proper divisors (4444612837).

136254041243 is a wasteful number, since it uses less digits than its factorization.

136254041243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541317.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 136254041243 its reverse (342140452631), we get a palindrome (478394493874).

The spelling of 136254041243 in words is "one hundred thirty-six billion, two hundred fifty-four million, forty-one thousand, two hundred forty-three".