139994343 has 12 divisors (see below), whose sum is σ = 203456760. Its totient is φ = 92756016.

The previous prime is 139994297. The next prime is 139994381. The reversal of 139994343 is 343499931.

It is not a de Polignac number, because 139994343 - 2⁶ = 139994279 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139994243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46248 + ... + 49181.

It is an arithmetic number, because the mean of its divisors is an integer number (16954730).

Almost surely, 2^139994343 is an apocalyptic number.

139994343 is a deficient number, since it is larger than the sum of its proper divisors (63462417).

139994343 is a wasteful number, since it uses less digits than its factorization.

139994343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95598 (or 95595 counting only the distinct ones).

The product of its digits is 314928, while the sum is 45.

The square root of 139994343 is about 11831.9205119034. The cubic root of 139994343 is about 519.2424162959.

The spelling of 139994343 in words is "one hundred thirty-nine million, nine hundred ninety-four thousand, three hundred forty-three".