135144442043 has 16 divisors (see below), whose sum is σ = 148983342816. Its totient is φ = 121799704320.

The previous prime is 135144441989. The next prime is 135144442117. The reversal of 135144442043 is 340244441531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 135144442043 - 2⁸ = 135144441787 is a prime.

It is a super-2 number, since 2×135144442043² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135144441994 and 135144442012.

It is not an unprimeable number, because it can be changed into a prime (135144442243) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1416713 + ... + 1509093.

It is an arithmetic number, because the mean of its divisors is an integer number (9311458926).

Almost surely, 2^135144442043 is an apocalyptic number.

135144442043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

135144442043 is a deficient number, since it is larger than the sum of its proper divisors (13838900773).

135144442043 is a wasteful number, since it uses less digits than its factorization.

135144442043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95054.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 135144442043 its reverse (340244441531), we get a palindrome (475388883574).

The spelling of 135144442043 in words is "one hundred thirty-five billion, one hundred forty-four million, four hundred forty-two thousand, forty-three".