139732943 has 8 divisors (see below), whose sum is σ = 159845280. Its totient is φ = 119658240.

The previous prime is 139732939. The next prime is 139732951. The reversal of 139732943 is 349237931.

139732943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 139732943 - 2² = 139732939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139732943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139732343) 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, 938 + ... + 16743.

It is an arithmetic number, because the mean of its divisors is an integer number (19980660).

Almost surely, 2^139732943 is an apocalyptic number.

139732943 is a deficient number, since it is larger than the sum of its proper divisors (20112337).

139732943 is a wasteful number, since it uses less digits than its factorization.

139732943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18817.

The product of its digits is 122472, while the sum is 41.

The square root of 139732943 is about 11820.8689612905. The cubic root of 139732943 is about 518.9190352896.

The spelling of 139732943 in words is "one hundred thirty-nine million, seven hundred thirty-two thousand, nine hundred forty-three".