135441444231254 has 8 divisors (see below), whose sum is σ = 232185332967888. Its totient is φ = 58046333241960.

The previous prime is 135441444231217. The next prime is 135441444231283. The reversal of 135441444231254 is 452132444144531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 135441444231199 and 135441444231208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4837194436817 + ... + 4837194436844.

It is an arithmetic number, because the mean of its divisors is an integer number (29023166620986).

Almost surely, 2^{135441444231254} is an apocalyptic number.

135441444231254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135441444231254 is a deficient number, since it is larger than the sum of its proper divisors (96743888736634).

135441444231254 is an equidigital number, since it uses as much as digits as its factorization.

135441444231254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9674388873670.

The product of its digits is 3686400, while the sum is 47.

Adding to 135441444231254 its reverse (452132444144531), we get a palindrome (587573888375785).

The spelling of 135441444231254 in words is "one hundred thirty-five trillion, four hundred forty-one billion, four hundred forty-four million, two hundred thirty-one thousand, two hundred fifty-four".