39141681 has 8 divisors (see below), whose sum is σ = 52228800. Its totient is φ = 26074512.

The previous prime is 39141673. The next prime is 39141689. The reversal of 39141681 is 18614193.

It is an interprime number because it is at equal distance from previous prime (39141673) and next prime (39141689).

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

It is not a de Polignac number, because 39141681 - 2³ = 39141673 is a prime.

It is a super-2 number, since 2×39141681² = 3064142383011522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39141689) 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, 436 + ... + 8858.

It is an arithmetic number, because the mean of its divisors is an integer number (6528600).

Almost surely, 2^39141681 is an apocalyptic number.

It is an amenable number.

39141681 is a deficient number, since it is larger than the sum of its proper divisors (13087119).

39141681 is a wasteful number, since it uses less digits than its factorization.

39141681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9975.

The product of its digits is 5184, while the sum is 33.

The square root of 39141681 is about 6256.3312731984. The cubic root of 39141681 is about 339.5313063314.

The spelling of 39141681 in words is "thirty-nine million, one hundred forty-one thousand, six hundred eighty-one".