139066133 has 2 divisors, whose sum is σ = 139066134. Its totient is φ = 139066132.

The previous prime is 139066129. The next prime is 139066157. The reversal of 139066133 is 331660931.

139066133 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., 88698724 + 50367409 = 9418^2 + 7097^2 .

It is a cyclic number.

It is not a de Polignac number, because 139066133 - 2² = 139066129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139066133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139066163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69533066 + 69533067.

It is an arithmetic number, because the mean of its divisors is an integer number (69533067).

Almost surely, 2^139066133 is an apocalyptic number.

It is an amenable number.

139066133 is a deficient number, since it is larger than the sum of its proper divisors (1).

139066133 is an equidigital number, since it uses as much as digits as its factorization.

139066133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 139066133 is about 11792.6304529566. The cubic root of 139066133 is about 518.0922861469.

The spelling of 139066133 in words is "one hundred thirty-nine million, sixty-six thousand, one hundred thirty-three".