139032433 has 2 divisors, whose sum is σ = 139032434. Its totient is φ = 139032432.

The previous prime is 139032407. The next prime is 139032451. The reversal of 139032433 is 334230931.

139032433 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., 107806689 + 31225744 = 10383^2 + 5588^2 .

It is a cyclic number.

It is not a de Polignac number, because 139032433 - 2¹³ = 139024241 is a prime.

It is not a weakly prime, because it can be changed into another prime (139032463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69516216 + 69516217.

It is an arithmetic number, because the mean of its divisors is an integer number (69516217).

Almost surely, 2^139032433 is an apocalyptic number.

It is an amenable number.

139032433 is a deficient number, since it is larger than the sum of its proper divisors (1).

139032433 is an equidigital number, since it uses as much as digits as its factorization.

139032433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 139032433 is about 11791.2015079041. The cubic root of 139032433 is about 518.0504328689.

The spelling of 139032433 in words is "one hundred thirty-nine million, thirty-two thousand, four hundred thirty-three".