138362038 has 4 divisors (see below), whose sum is σ = 207543060. Its totient is φ = 69181018.

The previous prime is 138362017. The next prime is 138362039. The reversal of 138362038 is 830263831.

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

It is a junction number, because it is equal to n+sod(n) for n = 138361994 and 138362012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138362039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34590508 + ... + 34590511.

It is an arithmetic number, because the mean of its divisors is an integer number (51885765).

Almost surely, 2^138362038 is an apocalyptic number.

138362038 is a deficient number, since it is larger than the sum of its proper divisors (69181022).

138362038 is an equidigital number, since it uses as much as digits as its factorization.

138362038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69181021.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 138362038 is about 11762.7393918254. The cubic root of 138362038 is about 517.2164353121.

The spelling of 138362038 in words is "one hundred thirty-eight million, three hundred sixty-two thousand, thirty-eight".