254340140 has 12 divisors (see below), whose sum is σ = 534114336. Its totient is φ = 101736048.

The previous prime is 254340139. The next prime is 254340161. The reversal of 254340140 is 41043452.

254340140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 6358484 + ... + 6358523.

It is an arithmetic number, because the mean of its divisors is an integer number (44509528).

Almost surely, 2^254340140 is an apocalyptic number.

254340140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254340140 is an abundant number, since it is smaller than the sum of its proper divisors (279774196).

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

254340140 is a wasteful number, since it uses less digits than its factorization.

254340140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12717016 (or 12717014 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 254340140 is about 15948.0450212557. The cubic root of 254340140 is about 633.5851193396.

Adding to 254340140 its reverse (41043452), we get a palindrome (295383592).

The spelling of 254340140 in words is "two hundred fifty-four million, three hundred forty thousand, one hundred forty".