254138456 has 32 divisors (see below), whose sum is σ = 559818000. Its totient is φ = 106631040.

The previous prime is 254138453. The next prime is 254138483. The reversal of 254138456 is 654831452.

254138456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254138453) 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, 109931 + ... + 112218.

Almost surely, 2^254138456 is an apocalyptic number.

254138456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

254138456 is an abundant number, since it is smaller than the sum of its proper divisors (305679544).

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

254138456 is a wasteful number, since it uses less digits than its factorization.

254138456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222179 (or 222175 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 254138456 is about 15941.7206097711. The cubic root of 254138456 is about 633.4176038066.

The spelling of 254138456 in words is "two hundred fifty-four million, one hundred thirty-eight thousand, four hundred fifty-six".