1136397653 has 4 divisors (see below), whose sum is σ = 1153358880. Its totient is φ = 1119436428.

The previous prime is 1136397629. The next prime is 1136397667. The reversal of 1136397653 is 3567936311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1136397653 - 2¹⁶ = 1136332117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136397553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8480513 + ... + 8480646.

It is an arithmetic number, because the mean of its divisors is an integer number (288339720).

Almost surely, 2^1136397653 is an apocalyptic number.

It is an amenable number.

1136397653 is a deficient number, since it is larger than the sum of its proper divisors (16961227).

1136397653 is an equidigital number, since it uses as much as digits as its factorization.

1136397653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16961226.

The product of its digits is 306180, while the sum is 44.

The square root of 1136397653 is about 33710.4976676406. The cubic root of 1136397653 is about 1043.5424236927.

The spelling of 1136397653 in words is "one billion, one hundred thirty-six million, three hundred ninety-seven thousand, six hundred fifty-three".