139096943 has 4 divisors (see below), whose sum is σ = 140659920. Its totient is φ = 137533968.

The previous prime is 139096931. The next prime is 139096957. The reversal of 139096943 is 349690931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 139096943 - 2⁶ = 139096879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139096894 and 139096903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139096343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781355 + ... + 781532.

It is an arithmetic number, because the mean of its divisors is an integer number (35164980).

Almost surely, 2^139096943 is an apocalyptic number.

139096943 is a deficient number, since it is larger than the sum of its proper divisors (1562977).

139096943 is an equidigital number, since it uses as much as digits as its factorization.

139096943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562976.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 139096943 is about 11793.9367049344. The cubic root of 139096943 is about 518.1305443106.

The spelling of 139096943 in words is "one hundred thirty-nine million, ninety-six thousand, nine hundred forty-three".