1138534300 has 18 divisors (see below), whose sum is σ = 2470619648. Its totient is φ = 455413680.

The previous prime is 1138534273. The next prime is 1138534307. The reversal of 1138534300 is 34358311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138534307) 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 5 ways as a sum of consecutive naturals, for example, 5692572 + ... + 5692771.

Almost surely, 2^1138534300 is an apocalyptic number.

1138534300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1138534300 is an abundant number, since it is smaller than the sum of its proper divisors (1332085348).

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

1138534300 is a wasteful number, since it uses less digits than its factorization.

1138534300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11385357 (or 11385350 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1138534300 is about 33742.1739074411. The cubic root of 1138534300 is about 1044.1960346390.

The spelling of 1138534300 in words is "one billion, one hundred thirty-eight million, five hundred thirty-four thousand, three hundred".