138967041 has 8 divisors (see below), whose sum is σ = 185367424. Its totient is φ = 92605680.

The previous prime is 138967039. The next prime is 138967051. The reversal of 138967041 is 140769831.

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

It is not a de Polignac number, because 138967041 - 2¹ = 138967039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138967021) 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, 70 + ... + 16671.

It is an arithmetic number, because the mean of its divisors is an integer number (23170928).

Almost surely, 2^138967041 is an apocalyptic number.

It is an amenable number.

138967041 is a deficient number, since it is larger than the sum of its proper divisors (46400383).

138967041 is a wasteful number, since it uses less digits than its factorization.

138967041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19511.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 138967041 is about 11788.4282667368. The cubic root of 138967041 is about 517.9692008243.

The spelling of 138967041 in words is "one hundred thirty-eight million, nine hundred sixty-seven thousand, forty-one".