294253138 has 16 divisors (see below), whose sum is σ = 450247896. Its totient is φ = 144177280.

The previous prime is 294253109. The next prime is 294253139. The reversal of 294253138 is 831352492.

It can be written as a sum of positive squares in 4 ways, for example, as 291828889 + 2424249 = 17083^2 + 1557^2 .

It is a junction number, because it is equal to n+sod(n) for n = 294253097 and 294253106.

It is not an unprimeable number, because it can be changed into a prime (294253139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170118 + ... + 171838.

Almost surely, 2^294253138 is an apocalyptic number.

294253138 is a deficient number, since it is larger than the sum of its proper divisors (155994758).

294253138 is a wasteful number, since it uses less digits than its factorization.

294253138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389.

The product of its digits is 51840, while the sum is 37.

The square root of 294253138 is about 17153.8082652220. The cubic root of 294253138 is about 665.1307621579.

The spelling of 294253138 in words is "two hundred ninety-four million, two hundred fifty-three thousand, one hundred thirty-eight".