139741441 has 16 divisors (see below), whose sum is σ = 164505600. Its totient is φ = 116230608.

The previous prime is 139741429. The next prime is 139741451. The reversal of 139741441 is 144147931.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139741441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139741397 and 139741406.

It is not an unprimeable number, because it can be changed into a prime (139741451) 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, 30486 + ... + 34768.

It is an arithmetic number, because the mean of its divisors is an integer number (10281600).

Almost surely, 2^139741441 is an apocalyptic number.

It is an amenable number.

139741441 is a deficient number, since it is larger than the sum of its proper divisors (24764159).

139741441 is an equidigital number, since it uses as much as digits as its factorization.

139741441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428.

The product of its digits is 12096, while the sum is 34.

The square root of 139741441 is about 11821.2284048655. The cubic root of 139741441 is about 518.9295546047.

The spelling of 139741441 in words is "one hundred thirty-nine million, seven hundred forty-one thousand, four hundred forty-one".