39130205 has 8 divisors (see below), whose sum is σ = 47372472. Its totient is φ = 31026688.

The previous prime is 39130187. The next prime is 39130207. The reversal of 39130205 is 50203193.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 925444 + 38204761 = 962^2 + 6181^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 39130205 - 2¹⁸ = 38868061 is a prime.

It is a super-3 number, since 3×39130205³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39130207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34064 + ... + 35193.

It is an arithmetic number, because the mean of its divisors is an integer number (5921559).

Almost surely, 2^39130205 is an apocalyptic number.

It is an amenable number.

39130205 is a deficient number, since it is larger than the sum of its proper divisors (8242267).

39130205 is a wasteful number, since it uses less digits than its factorization.

39130205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69375.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 39130205 is about 6255.4140550406. The cubic root of 39130205 is about 339.4981205472.

Adding to 39130205 its reverse (50203193), we get a palindrome (89333398).

The spelling of 39130205 in words is "thirty-nine million, one hundred thirty thousand, two hundred five".