1136542452 has 12 divisors (see below), whose sum is σ = 2651932416. Its totient is φ = 378847480.

The previous prime is 1136542411. The next prime is 1136542457. The reversal of 1136542452 is 2542456311.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136542457) 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, 47355924 + ... + 47355947.

It is an arithmetic number, because the mean of its divisors is an integer number (220994368).

Almost surely, 2^1136542452 is an apocalyptic number.

1136542452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1136542452 is an abundant number, since it is smaller than the sum of its proper divisors (1515389964).

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

1136542452 is a wasteful number, since it uses less digits than its factorization.

1136542452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94711878 (or 94711876 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 1136542452 is about 33712.6452833355. The cubic root of 1136542452 is about 1043.5867442941.

Adding to 1136542452 its reverse (2542456311), we get a palindrome (3678998763).

The spelling of 1136542452 in words is "one billion, one hundred thirty-six million, five hundred forty-two thousand, four hundred fifty-two".