355500139 has 2 divisors, whose sum is σ = 355500140. Its totient is φ = 355500138.

The previous prime is 355500091. The next prime is 355500149. The reversal of 355500139 is 931005553.

It is a strong prime.

It is an emirp because it is prime and its reverse (931005553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 355500139 - 2⁷ = 355500011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 355500139.

It is not a weakly prime, because it can be changed into another prime (355500149) 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, 177750069 + 177750070.

It is an arithmetic number, because the mean of its divisors is an integer number (177750070).

Almost surely, 2^355500139 is an apocalyptic number.

355500139 is a deficient number, since it is larger than the sum of its proper divisors (1).

355500139 is an equidigital number, since it uses as much as digits as its factorization.

355500139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10125, while the sum is 31.

The square root of 355500139 is about 18854.7113210465. The cubic root of 355500139 is about 708.4022386609.

The spelling of 355500139 in words is "three hundred fifty-five million, five hundred thousand, one hundred thirty-nine".