135244403051 has 16 divisors (see below), whose sum is σ = 142975810560. Its totient is φ = 127668752640.

The previous prime is 135244403009. The next prime is 135244403089. The reversal of 135244403051 is 150304442531.

It is a de Polignac number, because none of the positive numbers 2^k-135244403051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135244402999 and 135244403017.

It is not an unprimeable number, because it can be changed into a prime (135244403251) 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, 4292411 + ... + 4323803.

It is an arithmetic number, because the mean of its divisors is an integer number (8935988160).

Almost surely, 2^135244403051 is an apocalyptic number.

135244403051 is a deficient number, since it is larger than the sum of its proper divisors (7731407509).

135244403051 is a wasteful number, since it uses less digits than its factorization.

135244403051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33866.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 135244403051 its reverse (150304442531), we get a palindrome (285548845582).

The spelling of 135244403051 in words is "one hundred thirty-five billion, two hundred forty-four million, four hundred three thousand, fifty-one".