254118138 has 16 divisors (see below), whose sum is σ = 510074400. Its totient is φ = 84399696.

The previous prime is 254118077. The next prime is 254118157. The reversal of 254118138 is 831811452.

It is a junction number, because it is equal to n+sod(n) for n = 254118099 and 254118108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74788 + ... + 78111.

It is an arithmetic number, because the mean of its divisors is an integer number (31879650).

Almost surely, 2^254118138 is an apocalyptic number.

254118138 is an abundant number, since it is smaller than the sum of its proper divisors (255956262).

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

254118138 is a wasteful number, since it uses less digits than its factorization.

254118138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153181.

The product of its digits is 7680, while the sum is 33.

The square root of 254118138 is about 15941.0833383431. The cubic root of 254118138 is about 633.4007230846.

The spelling of 254118138 in words is "two hundred fifty-four million, one hundred eighteen thousand, one hundred thirty-eight".