1136226731 has 4 divisors (see below), whose sum is σ = 1136346072. Its totient is φ = 1136107392.

The previous prime is 1136226713. The next prime is 1136226769. The reversal of 1136226731 is 1376226311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1136226731 - 2¹⁸ = 1135964587 is a prime.

It is a super-2 number, since 2×1136226731² = 2582022368477892722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1136276731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44021 + ... + 64886.

It is an arithmetic number, because the mean of its divisors is an integer number (284086518).

Almost surely, 2^1136226731 is an apocalyptic number.

1136226731 is a deficient number, since it is larger than the sum of its proper divisors (119341).

1136226731 is a wasteful number, since it uses less digits than its factorization.

1136226731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119340.

The product of its digits is 9072, while the sum is 32.

The square root of 1136226731 is about 33707.9624272960. The cubic root of 1136226731 is about 1043.4901024239.

The spelling of 1136226731 in words is "one billion, one hundred thirty-six million, two hundred twenty-six thousand, seven hundred thirty-one".