1136520673 has 8 divisors (see below), whose sum is σ = 1143587808. Its totient is φ = 1129472064.

The previous prime is 1136520661. The next prime is 1136520713. The reversal of 1136520673 is 3760256311.

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 1136520673 - 2²⁹ = 599649761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1136520173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130390 + ... + 138832.

It is an arithmetic number, because the mean of its divisors is an integer number (142948476).

Almost surely, 2^1136520673 is an apocalyptic number.

It is an amenable number.

1136520673 is a deficient number, since it is larger than the sum of its proper divisors (7067135).

1136520673 is an equidigital number, since it uses as much as digits as its factorization.

1136520673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9263.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 1136520673 is about 33712.3222724273. The cubic root of 1136520673 is about 1043.5800783396.

Adding to 1136520673 its reverse (3760256311), we get a palindrome (4896776984).

The spelling of 1136520673 in words is "one billion, one hundred thirty-six million, five hundred twenty thousand, six hundred seventy-three".