1063387136 has 144 divisors (see below), whose sum is σ = 2600458560. Its totient is φ = 424673280.

The previous prime is 1063387133. The next prime is 1063387147. The reversal of 1063387136 is 6317833601.

It is a super-2 number, since 2×1063387136² = 2261584402020564992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 1063387136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063387133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17432546 + ... + 17432606.

It is an arithmetic number, because the mean of its divisors is an integer number (18058740).

Almost surely, 2^1063387136 is an apocalyptic number.

1063387136 is a gapful number since it is divisible by the number (16) 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 1063387136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300229280).

1063387136 is an abundant number, since it is smaller than the sum of its proper divisors (1537071424).

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

1063387136 is an frugal number, since it uses more digits than its factorization.

1063387136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 1063387136 is about 32609.6172317309. The cubic root of 1063387136 is about 1020.6976951551.

The spelling of 1063387136 in words is "one billion, sixty-three million, three hundred eighty-seven thousand, one hundred thirty-six".