139035593 has 2 divisors, whose sum is σ = 139035594. Its totient is φ = 139035592.

The previous prime is 139035583. The next prime is 139035601. The reversal of 139035593 is 395530931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121705024 + 17330569 = 11032^2 + 4163^2 .

It is a cyclic number.

It is not a de Polignac number, because 139035593 - 2¹⁸ = 138773449 is a prime.

It is a super-2 number, since 2×139035593² = 38661792241723298, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (139035553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69517796 + 69517797.

It is an arithmetic number, because the mean of its divisors is an integer number (69517797).

Almost surely, 2^139035593 is an apocalyptic number.

It is an amenable number.

139035593 is a deficient number, since it is larger than the sum of its proper divisors (1).

139035593 is an equidigital number, since it uses as much as digits as its factorization.

139035593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54675, while the sum is 38.

The square root of 139035593 is about 11791.3355053616. The cubic root of 139035593 is about 518.0543576772.

The spelling of 139035593 in words is "one hundred thirty-nine million, thirty-five thousand, five hundred ninety-three".