1355505193 has 16 divisors (see below), whose sum is σ = 1558546560. Its totient is φ = 1154837376.

The previous prime is 1355505131. The next prime is 1355505247. The reversal of 1355505193 is 3915055531.

It is not a de Polignac number, because 1355505193 - 2¹³ = 1355497001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355505103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1221723 + ... + 1222831.

It is an arithmetic number, because the mean of its divisors is an integer number (97409160).

Almost surely, 2^1355505193 is an apocalyptic number.

It is an amenable number.

1355505193 is a deficient number, since it is larger than the sum of its proper divisors (203041367).

1355505193 is a wasteful number, since it uses less digits than its factorization.

1355505193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016.

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

The square root of 1355505193 is about 36817.1861092072. The cubic root of 1355505193 is about 1106.7097309394.

The spelling of 1355505193 in words is "one billion, three hundred fifty-five million, five hundred five thousand, one hundred ninety-three".