38159129 has 4 divisors (see below), whose sum is σ = 38379876. Its totient is φ = 37938384.

The previous prime is 38159123. The next prime is 38159137. The reversal of 38159129 is 92195183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92195183 = 41 ⋅2248663.

It can be written as a sum of positive squares in 2 ways, for example, as 16999129 + 21160000 = 4123^2 + 4600^2 .

It is a cyclic number.

It is not a de Polignac number, because 38159129 - 2⁸ = 38158873 is a prime.

It is a super-2 number, since 2×38159129² = 2912238252077282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38159092 and 38159101.

It is not an unprimeable number, because it can be changed into a prime (38159123) 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, 110114 + ... + 110459.

It is an arithmetic number, because the mean of its divisors is an integer number (9594969).

Almost surely, 2^38159129 is an apocalyptic number.

It is an amenable number.

38159129 is a deficient number, since it is larger than the sum of its proper divisors (220747).

38159129 is a wasteful number, since it uses less digits than its factorization.

38159129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220746.

The product of its digits is 19440, while the sum is 38.

The square root of 38159129 is about 6177.3075850244. The cubic root of 38159129 is about 336.6661746663. Note that the first 3 decimals are identical.

The spelling of 38159129 in words is "thirty-eight million, one hundred fifty-nine thousand, one hundred twenty-nine".