139981341 has 16 divisors (see below), whose sum is σ = 196862400. Its totient is φ = 88230528.

The previous prime is 139981327. The next prime is 139981343. The reversal of 139981341 is 143189931.

It is a happy number.

It is not a de Polignac number, because 139981341 - 2¹⁰ = 139980317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139981341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139981343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29545 + ... + 33953.

It is an arithmetic number, because the mean of its divisors is an integer number (12303900).

Almost surely, 2^139981341 is an apocalyptic number.

It is an amenable number.

139981341 is a deficient number, since it is larger than the sum of its proper divisors (56881059).

139981341 is a wasteful number, since it uses less digits than its factorization.

139981341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988.

The product of its digits is 23328, while the sum is 39.

The square root of 139981341 is about 11831.3710532634. The cubic root of 139981341 is about 519.2263408870.

The spelling of 139981341 in words is "one hundred thirty-nine million, nine hundred eighty-one thousand, three hundred forty-one".