1146134682781 has 20 divisors (see below), whose sum is σ = 1278498388320. Its totient is φ = 1027264469000.

The previous prime is 1146134682773. The next prime is 1146134682799. The reversal of 1146134682781 is 1872864316411.

It is not a de Polignac number, because 1146134682781 - 2³ = 1146134682773 is a prime.

It is a super-2 number, since 2×1146134682781² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146134682731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 488226 + ... + 1590796.

It is an arithmetic number, because the mean of its divisors is an integer number (63924919416).

Almost surely, 2^{1146134682781} is an apocalyptic number.

1146134682781 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1146134682781 is a deficient number, since it is larger than the sum of its proper divisors (132363705539).

1146134682781 is an frugal number, since it uses more digits than its factorization.

1146134682781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102686 (or 1102653 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 52.

The spelling of 1146134682781 in words is "one trillion, one hundred forty-six billion, one hundred thirty-four million, six hundred eighty-two thousand, seven hundred eighty-one".