135167004438 has 32 divisors (see below), whose sum is σ = 273725246976. Its totient is φ = 44493984288.

The previous prime is 135167004431. The next prime is 135167004439. The reversal of 135167004438 is 834400761531.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135167004438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135167004431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286606 + ... + 593697.

It is an arithmetic number, because the mean of its divisors is an integer number (8553913968).

Almost surely, 2^135167004438 is an apocalyptic number.

135167004438 is an abundant number, since it is smaller than the sum of its proper divisors (138558242538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135167004438 is a wasteful number, since it uses less digits than its factorization.

135167004438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880628.

The product of its (nonzero) digits is 241920, while the sum is 42.

Adding to 135167004438 its reverse (834400761531), we get a palindrome (969567765969).

The spelling of 135167004438 in words is "one hundred thirty-five billion, one hundred sixty-seven million, four thousand, four hundred thirty-eight".