254140434 has 12 divisors (see below), whose sum is σ = 550637646. Its totient is φ = 84713472.

The previous prime is 254140391. The next prime is 254140477. The reversal of 254140434 is 434041452.

It is a happy number.

254140434 is a `hidden beast` number, since 254 + 1 + 404 + 3 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (254140391) and next prime (254140477).

It can be written as a sum of positive squares in only one way, i.e., 228161025 + 25979409 = 15105^2 + 5097^2 .

It is a junction number, because it is equal to n+sod(n) for n = 254140398 and 254140407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7059439 + ... + 7059474.

Almost surely, 2^254140434 is an apocalyptic number.

254140434 is an abundant number, since it is smaller than the sum of its proper divisors (296497212).

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

254140434 is a wasteful number, since it uses less digits than its factorization.

254140434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14118921 (or 14118918 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 254140434 is about 15941.7826481231. The cubic root of 254140434 is about 633.4192471323.

Adding to 254140434 its reverse (434041452), we get a palindrome (688181886).

The spelling of 254140434 in words is "two hundred fifty-four million, one hundred forty thousand, four hundred thirty-four".