1355899229 has 2 divisors, whose sum is σ = 1355899230. Its totient is φ = 1355899228.

The previous prime is 1355899187. The next prime is 1355899241. The reversal of 1355899229 is 9229985531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1225140004 + 130759225 = 35002^2 + 11435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355899229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355899249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677949614 + 677949615.

It is an arithmetic number, because the mean of its divisors is an integer number (677949615).

Almost surely, 2^1355899229 is an apocalyptic number.

It is an amenable number.

1355899229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355899229 is an equidigital number, since it uses as much as digits as its factorization.

1355899229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1749600, while the sum is 53.

The square root of 1355899229 is about 36822.5369712626. The cubic root of 1355899229 is about 1106.8169581757.

The spelling of 1355899229 in words is "one billion, three hundred fifty-five million, eight hundred ninety-nine thousand, two hundred twenty-nine".