1131473673 has 12 divisors (see below), whose sum is σ = 1782928368. Its totient is φ = 685741560.

The previous prime is 1131473671. The next prime is 1131473677. The reversal of 1131473673 is 3763741311.

1131473673 is a `hidden beast` number, since 113 + 1 + 473 + 6 + 73 = 666.

It is not a de Polignac number, because 1131473673 - 2¹ = 1131473671 is a prime.

It is a super-2 number, since 2×1131473673² = 2560465345384221858, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1131473671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5714415 + ... + 5714612.

It is an arithmetic number, because the mean of its divisors is an integer number (148577364).

Almost surely, 2^1131473673 is an apocalyptic number.

It is an amenable number.

1131473673 is a deficient number, since it is larger than the sum of its proper divisors (651454695).

1131473673 is a wasteful number, since it uses less digits than its factorization.

1131473673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11429044 (or 11429041 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 1131473673 is about 33637.3850499708. The cubic root of 1131473673 is about 1042.0330279232.

The spelling of 1131473673 in words is "one billion, one hundred thirty-one million, four hundred seventy-three thousand, six hundred seventy-three".