254136146516 has 12 divisors (see below), whose sum is σ = 508272293088. Its totient is φ = 108915491352.

The previous prime is 254136146503. The next prime is 254136146527. The reversal of 254136146516 is 615641631452.

254136146516 is an admirable number.

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, 4538145446 + ... + 4538145501.

It is an arithmetic number, because the mean of its divisors is an integer number (42356024424).

Almost surely, 2^254136146516 is an apocalyptic number.

It is an amenable number.

254136146516 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

254136146516 is a wasteful number, since it uses less digits than its factorization.

254136146516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9076290958 (or 9076290956 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

Adding to 254136146516 its reverse (615641631452), we get a palindrome (869777777968).

The spelling of 254136146516 in words is "two hundred fifty-four billion, one hundred thirty-six million, one hundred forty-six thousand, five hundred sixteen".