136444143 has 8 divisors (see below), whose sum is σ = 198464256. Its totient is φ = 82693400.

The previous prime is 136444109. The next prime is 136444157. The reversal of 136444143 is 341444631.

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 136444143 - 2⁶ = 136444079 is a prime.

It is a super-3 number, since 3×136444143³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136444143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136444103) 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, 2067303 + ... + 2067368.

It is an arithmetic number, because the mean of its divisors is an integer number (24808032).

Almost surely, 2^136444143 is an apocalyptic number.

136444143 is a deficient number, since it is larger than the sum of its proper divisors (62020113).

136444143 is a wasteful number, since it uses less digits than its factorization.

136444143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134685.

The product of its digits is 13824, while the sum is 30.

The square root of 136444143 is about 11680.9307420257. The cubic root of 136444143 is about 514.8155219488.

Adding to 136444143 its reverse (341444631), we get a palindrome (477888774).

The spelling of 136444143 in words is "one hundred thirty-six million, four hundred forty-four thousand, one hundred forty-three".