1136422320 has 120 divisors (see below), whose sum is σ = 3872387568. Its totient is φ = 275489280.

The previous prime is 1136422303. The next prime is 1136422327. The reversal of 1136422320 is 232246311.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1136422327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9474 + ... + 48606.

Almost surely, 2^1136422320 is an apocalyptic number.

1136422320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1136422320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1936193784).

1136422320 is an abundant number, since it is smaller than the sum of its proper divisors (2735965248).

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

1136422320 is a wasteful number, since it uses less digits than its factorization.

1136422320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39171 (or 39154 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1136422320 is about 33710.8635309154. The cubic root of 1136422320 is about 1043.5499741233.

Adding to 1136422320 its reverse (232246311), we get a palindrome (1368668631).

The spelling of 1136422320 in words is "one billion, one hundred thirty-six million, four hundred twenty-two thousand, three hundred twenty".