254131510143421 has 8 divisors (see below), whose sum is σ = 254257389949184. Its totient is φ = 254005637145120.

The previous prime is 254131510143353. The next prime is 254131510143437. The reversal of 254131510143421 is 124341015131452.

It is a happy number.

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 254131510143421 - 2¹¹ = 254131510141373 is a prime.

It is a super-2 number, since 2×254131510143421² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254131510146421) 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, 73808281 + ... + 77174641.

It is an arithmetic number, because the mean of its divisors is an integer number (31782173743648).

Almost surely, 2^{254131510143421} is an apocalyptic number.

It is an amenable number.

254131510143421 is a deficient number, since it is larger than the sum of its proper divisors (125879805763).

254131510143421 is a wasteful number, since it uses less digits than its factorization.

254131510143421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403731.

The product of its (nonzero) digits is 57600, while the sum is 37.

Adding to 254131510143421 its reverse (124341015131452), we get a palindrome (378472525274873).

The spelling of 254131510143421 in words is "two hundred fifty-four trillion, one hundred thirty-one billion, five hundred ten million, one hundred forty-three thousand, four hundred twenty-one".