153555139 has 2 divisors, whose sum is σ = 153555140. Its totient is φ = 153555138.

The previous prime is 153555133. The next prime is 153555161. The reversal of 153555139 is 931555351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 153555139 - 2⁷ = 153555011 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 153555098 and 153555107.

It is not a weakly prime, because it can be changed into another prime (153555133) 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, 76777569 + 76777570.

It is an arithmetic number, because the mean of its divisors is an integer number (76777570).

Almost surely, 2^153555139 is an apocalyptic number.

153555139 is a deficient number, since it is larger than the sum of its proper divisors (1).

153555139 is an equidigital number, since it uses as much as digits as its factorization.

153555139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50625, while the sum is 37.

The square root of 153555139 is about 12391.7367225099. The cubic root of 153555139 is about 535.4942170870.

The spelling of 153555139 in words is "one hundred fifty-three million, five hundred fifty-five thousand, one hundred thirty-nine".