139328533 has 2 divisors, whose sum is σ = 139328534. Its totient is φ = 139328532.

The previous prime is 139328461. The next prime is 139328543. The reversal of 139328533 is 335823931.

139328533 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., 106357969 + 32970564 = 10313^2 + 5742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139328533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139328492 and 139328501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139328543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69664266 + 69664267.

It is an arithmetic number, because the mean of its divisors is an integer number (69664267).

Almost surely, 2^139328533 is an apocalyptic number.

It is an amenable number.

139328533 is a deficient number, since it is larger than the sum of its proper divisors (1).

139328533 is an equidigital number, since it uses as much as digits as its factorization.

139328533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 37.

The square root of 139328533 is about 11803.7508021815. The cubic root of 139328533 is about 518.4179393627.

The spelling of 139328533 in words is "one hundred thirty-nine million, three hundred twenty-eight thousand, five hundred thirty-three".