139589741 has 2 divisors, whose sum is σ = 139589742. Its totient is φ = 139589740.

The previous prime is 139589719. The next prime is 139589767. The reversal of 139589741 is 147985931.

139589741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137475625 + 2114116 = 11725^2 + 1454^2 .

It is an emirp because it is prime and its reverse (147985931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139589741 - 2²² = 135395437 is a prime.

It is a super-3 number, since 3×139589741³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139589141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69794870 + 69794871.

It is an arithmetic number, because the mean of its divisors is an integer number (69794871).

Almost surely, 2^139589741 is an apocalyptic number.

It is an amenable number.

139589741 is a deficient number, since it is larger than the sum of its proper divisors (1).

139589741 is an equidigital number, since it uses as much as digits as its factorization.

139589741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 47.

The square root of 139589741 is about 11814.8102396949. The cubic root of 139589741 is about 518.7417074012.

The spelling of 139589741 in words is "one hundred thirty-nine million, five hundred eighty-nine thousand, seven hundred forty-one".