39440141 has 8 divisors (see below), whose sum is σ = 42600600. Its totient is φ = 36297792.

The previous prime is 39440131. The next prime is 39440171. The reversal of 39440141 is 14104493.

It can be written as a sum of positive squares in 4 ways, for example, as 64516 + 39375625 = 254^2 + 6275^2 .

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 39440141 - 2¹⁴ = 39423757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39440141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39440111) 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, 191 + ... + 8883.

It is an arithmetic number, because the mean of its divisors is an integer number (5325075).

Almost surely, 2^39440141 is an apocalyptic number.

It is an amenable number.

39440141 is a deficient number, since it is larger than the sum of its proper divisors (3160459).

39440141 is a wasteful number, since it uses less digits than its factorization.

39440141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9055.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 39440141 is about 6280.1386131199. The cubic root of 39440141 is about 340.3921110542.

The spelling of 39440141 in words is "thirty-nine million, four hundred forty thousand, one hundred forty-one".