138810058 has 8 divisors (see below), whose sum is σ = 208266660. Its totient is φ = 69387840.

The previous prime is 138810053. The next prime is 138810059. The reversal of 138810058 is 850018831.

It can be written as a sum of positive squares in 2 ways, for example, as 97555129 + 41254929 = 9877^2 + 6423^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (138810053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7608 + ... + 18316.

Almost surely, 2^138810058 is an apocalyptic number.

138810058 is a deficient number, since it is larger than the sum of its proper divisors (69456602).

138810058 is a wasteful number, since it uses less digits than its factorization.

138810058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17192.

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 138810058 is about 11781.7680337036. The cubic root of 138810058 is about 517.7740874227.

Adding to 138810058 its reverse (850018831), we get a palindrome (988828889).

The spelling of 138810058 in words is "one hundred thirty-eight million, eight hundred ten thousand, fifty-eight".