1136636970 has 64 divisors (see below), whose sum is σ = 3127078656. Its totient is φ = 259015680.

The previous prime is 1136636957. The next prime is 1136636987. The reversal of 1136636970 is 796366311.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 62740 + ... + 78800.

It is an arithmetic number, because the mean of its divisors is an integer number (48860604).

Almost surely, 2^1136636970 is an apocalyptic number.

1136636970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1136636970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1563539328).

1136636970 is an abundant number, since it is smaller than the sum of its proper divisors (1990441686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1136636970 is a wasteful number, since it uses less digits than its factorization.

1136636970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16415.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 1136636970 is about 33714.0470724000. The cubic root of 1136636970 is about 1043.6156726746.

The spelling of 1136636970 in words is "one billion, one hundred thirty-six million, six hundred thirty-six thousand, nine hundred seventy".