38116138 has 8 divisors (see below), whose sum is σ = 57377088. Its totient is φ = 18990444.

The previous prime is 38116123. The next prime is 38116139. The reversal of 38116138 is 83161183.

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 (38116139) 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, 33106 + ... + 34237.

It is an arithmetic number, because the mean of its divisors is an integer number (7172136).

Almost surely, 2^38116138 is an apocalyptic number.

38116138 is a deficient number, since it is larger than the sum of its proper divisors (19260950).

38116138 is a wasteful number, since it uses less digits than its factorization.

38116138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67628.

The product of its digits is 3456, while the sum is 31.

The square root of 38116138 is about 6173.8268521234. The cubic root of 38116138 is about 336.5396950641.

The spelling of 38116138 in words is "thirty-eight million, one hundred sixteen thousand, one hundred thirty-eight".