314138138 has 16 divisors (see below), whose sum is σ = 504536040. Its totient is φ = 146167296.

The previous prime is 314138137. The next prime is 314138219. The reversal of 314138138 is 831831413.

It can be written as a sum of positive squares in 4 ways, for example, as 195916009 + 118222129 = 13997^2 + 10873^2 .

It is a super-2 number, since 2×314138138² = 197365539492214088, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (314138137) 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, 48881 + ... + 54932.

Almost surely, 2^314138138 is an apocalyptic number.

314138138 is a deficient number, since it is larger than the sum of its proper divisors (190397902).

314138138 is a wasteful number, since it uses less digits than its factorization.

314138138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103921.

The product of its digits is 6912, while the sum is 32.

The square root of 314138138 is about 17723.9425072414. The cubic root of 314138138 is about 679.7880957371.

The spelling of 314138138 in words is "three hundred fourteen million, one hundred thirty-eight thousand, one hundred thirty-eight".