1135420273 has 8 divisors (see below), whose sum is σ = 1223058816. Its totient is φ = 1047824400.

The previous prime is 1135420133. The next prime is 1135420283. The reversal of 1135420273 is 3720245311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1135420273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1135420283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64008 + ... + 79798.

It is an arithmetic number, because the mean of its divisors is an integer number (152882352).

Almost surely, 2^1135420273 is an apocalyptic number.

1135420273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1135420273 is a deficient number, since it is larger than the sum of its proper divisors (87638543).

1135420273 is a wasteful number, since it uses less digits than its factorization.

1135420273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21335.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1135420273 is about 33695.9978780864. The cubic root of 1135420273 is about 1043.2431651728.

Adding to 1135420273 its reverse (3720245311), we get a palindrome (4855665584).

The spelling of 1135420273 in words is "one billion, one hundred thirty-five million, four hundred twenty thousand, two hundred seventy-three".