1136420460 has 144 divisors (see below), whose sum is σ = 3954752256. Its totient is φ = 258754176.

The previous prime is 1136420447. The next prime is 1136420491. The reversal of 1136420460 is 640246311.

1136420460 is a `hidden beast` number, since 1 + 13 + 642 + 0 + 4 + 6 + 0 = 666.

1136420460 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1136420460² = 2582902923813223200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 354987 + ... + 358173.

Almost surely, 2^1136420460 is an apocalyptic number.

1136420460 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 1136420460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1977376128).

1136420460 is an abundant number, since it is smaller than the sum of its proper divisors (2818331796).

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

1136420460 is a wasteful number, since it uses less digits than its factorization.

1136420460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492 (or 3487 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1136420460 is about 33710.8359433580. The cubic root of 1136420460 is about 1043.5494047915.

Adding to 1136420460 its reverse (640246311), we get a palindrome (1776666771).

The spelling of 1136420460 in words is "one billion, one hundred thirty-six million, four hundred twenty thousand, four hundred sixty".