135401404031443 has 8 divisors (see below), whose sum is σ = 148272259931136. Its totient is φ = 122624154357000.

The previous prime is 135401404031371. The next prime is 135401404031483. The reversal of 135401404031443 is 344130404104531.

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 135401404031443 - 2⁹ = 135401404030931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135401404031483) 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, 23401553283 + ... + 23401559068.

It is an arithmetic number, because the mean of its divisors is an integer number (18534032491392).

Almost surely, 2^{135401404031443} is an apocalyptic number.

135401404031443 is a deficient number, since it is larger than the sum of its proper divisors (12870855899693).

135401404031443 is a wasteful number, since it uses less digits than its factorization.

135401404031443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46803112625.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 135401404031443 its reverse (344130404104531), we get a palindrome (479531808135974).

The spelling of 135401404031443 in words is "one hundred thirty-five trillion, four hundred one billion, four hundred four million, thirty-one thousand, four hundred forty-three".