1146783381 has 8 divisors (see below), whose sum is σ = 1595524800. Its totient is φ = 731282112.

The previous prime is 1146783367. The next prime is 1146783397. The reversal of 1146783381 is 1833876411.

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

It is not a de Polignac number, because 1146783381 - 2⁹ = 1146782869 is a prime.

It is a super-2 number, since 2×1146783381² = 2630224245875582322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146783311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8309956 + ... + 8310093.

It is an arithmetic number, because the mean of its divisors is an integer number (199440600).

Almost surely, 2^1146783381 is an apocalyptic number.

It is an amenable number.

1146783381 is a deficient number, since it is larger than the sum of its proper divisors (448741419).

1146783381 is a wasteful number, since it uses less digits than its factorization.

1146783381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16620075.

The product of its digits is 96768, while the sum is 42.

The square root of 1146783381 is about 33864.1902457448. The cubic root of 1146783381 is about 1046.7118241681.

The spelling of 1146783381 in words is "one billion, one hundred forty-six million, seven hundred eighty-three thousand, three hundred eighty-one".