139040753 has 2 divisors, whose sum is σ = 139040754. Its totient is φ = 139040752.

The previous prime is 139040729. The next prime is 139040779. The reversal of 139040753 is 357040931.

It is a happy number.

139040753 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., 130142464 + 8898289 = 11408^2 + 2983^2 .

It is a cyclic number.

It is not a de Polignac number, because 139040753 - 2¹⁰ = 139039729 is a prime.

It is a super-3 number, since 3×139040753³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (139040353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69520376 + 69520377.

It is an arithmetic number, because the mean of its divisors is an integer number (69520377).

Almost surely, 2^139040753 is an apocalyptic number.

It is an amenable number.

139040753 is a deficient number, since it is larger than the sum of its proper divisors (1).

139040753 is an equidigital number, since it uses as much as digits as its factorization.

139040753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 139040753 is about 11791.5543080630. The cubic root of 139040753 is about 518.0607664137.

The spelling of 139040753 in words is "one hundred thirty-nine million, forty thousand, seven hundred fifty-three".