355109605139 has 2 divisors, whose sum is σ = 355109605140. Its totient is φ = 355109605138.

The previous prime is 355109605073. The next prime is 355109605141. The reversal of 355109605139 is 931506901553.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355109605139 is a prime.

It is a super-2 number, since 2×355109605139² (a number of 24 digits) contains 22 as substring.

Together with 355109605141, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 355109605093 and 355109605102.

It is not a weakly prime, because it can be changed into another prime (355109605159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177554802569 + 177554802570.

It is an arithmetic number, because the mean of its divisors is an integer number (177554802570).

Almost surely, 2^355109605139 is an apocalyptic number.

355109605139 is a deficient number, since it is larger than the sum of its proper divisors (1).

355109605139 is an equidigital number, since it uses as much as digits as its factorization.

355109605139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 546750, while the sum is 47.

The spelling of 355109605139 in words is "three hundred fifty-five billion, one hundred nine million, six hundred five thousand, one hundred thirty-nine".