1355841149 has 8 divisors (see below), whose sum is σ = 1463820120. Its totient is φ = 1248388416.

The previous prime is 1355841143. The next prime is 1355841169. The reversal of 1355841149 is 9411485531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 124322500 + 1231518649 = 11150^2 + 35093^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1355841149 - 2⁴ = 1355841133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355841143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126194 + ... + 136515.

It is an arithmetic number, because the mean of its divisors is an integer number (182977515).

Almost surely, 2^1355841149 is an apocalyptic number.

It is an amenable number.

1355841149 is a deficient number, since it is larger than the sum of its proper divisors (107978971).

1355841149 is a wasteful number, since it uses less digits than its factorization.

1355841149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263119.

The product of its digits is 86400, while the sum is 41.

The square root of 1355841149 is about 36821.7483153638. The cubic root of 1355841149 is about 1106.8011544332.

The spelling of 1355841149 in words is "one billion, three hundred fifty-five million, eight hundred forty-one thousand, one hundred forty-nine".