139816741 has 2 divisors, whose sum is σ = 139816742. Its totient is φ = 139816740.

The previous prime is 139816723. The next prime is 139816751. The reversal of 139816741 is 147618931.

139816741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97436641 + 42380100 = 9871^2 + 6510^2 .

It is a cyclic number.

It is not a de Polignac number, because 139816741 - 2¹¹ = 139814693 is a prime.

It is a super-2 number, since 2×139816741² = 39097442127722162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 139816694 and 139816703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139816711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69908370 + 69908371.

It is an arithmetic number, because the mean of its divisors is an integer number (69908371).

Almost surely, 2^139816741 is an apocalyptic number.

It is an amenable number.

139816741 is a deficient number, since it is larger than the sum of its proper divisors (1).

139816741 is an equidigital number, since it uses as much as digits as its factorization.

139816741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 40.

The square root of 139816741 is about 11824.4129241159. The cubic root of 139816741 is about 519.0227466663.

The spelling of 139816741 in words is "one hundred thirty-nine million, eight hundred sixteen thousand, seven hundred forty-one".