138967043 has 8 divisors (see below), whose sum is σ = 145081200. Its totient is φ = 132941088.

The previous prime is 138967039. The next prime is 138967051. The reversal of 138967043 is 340769831.

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 138967043 - 2² = 138967039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138967033) 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, 18821 + ... + 25142.

It is an arithmetic number, because the mean of its divisors is an integer number (18135150).

Almost surely, 2^138967043 is an apocalyptic number.

138967043 is a deficient number, since it is larger than the sum of its proper divisors (6114157).

138967043 is a wasteful number, since it uses less digits than its factorization.

138967043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44101.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 138967043 is about 11788.4283515658. The cubic root of 138967043 is about 517.9692033091.

The spelling of 138967043 in words is "one hundred thirty-eight million, nine hundred sixty-seven thousand, forty-three".