38534138 has 8 divisors (see below), whose sum is σ = 61201332. Its totient is φ = 18133696.

The previous prime is 38534107. The next prime is 38534141. The reversal of 38534138 is 83143583.

It can be written as a sum of positive squares in 2 ways, for example, as 37540129 + 994009 = 6127^2 + 997^2 .

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

It is a super-3 number, since 3×38534138³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38534098 and 38534107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566645 + ... + 566712.

Almost surely, 2^38534138 is an apocalyptic number.

38534138 is a deficient number, since it is larger than the sum of its proper divisors (22667194).

38534138 is a wasteful number, since it uses less digits than its factorization.

38534138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133376.

The product of its digits is 34560, while the sum is 35.

The square root of 38534138 is about 6207.5871318895. The cubic root of 38534138 is about 337.7654442137.

The spelling of 38534138 in words is "thirty-eight million, five hundred thirty-four thousand, one hundred thirty-eight".