138114386 has 4 divisors (see below), whose sum is σ = 207171582. Its totient is φ = 69057192.

The previous prime is 138114373. The next prime is 138114397. The reversal of 138114386 is 683411831.

138114386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 112763161 + 25351225 = 10619^2 + 5035^2 .

It is a super-3 number, since 3×138114386³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34528595 + ... + 34528598.

Almost surely, 2^138114386 is an apocalyptic number.

138114386 is a deficient number, since it is larger than the sum of its proper divisors (69057196).

138114386 is an equidigital number, since it uses as much as digits as its factorization.

138114386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69057195.

The product of its digits is 13824, while the sum is 35.

The square root of 138114386 is about 11752.2077074905. The cubic root of 138114386 is about 516.9076652081.

The spelling of 138114386 in words is "one hundred thirty-eight million, one hundred fourteen thousand, three hundred eighty-six".