1363125500 has 72 divisors (see below), whose sum is σ = 3272457552. Its totient is φ = 495660000.

The previous prime is 1363125481. The next prime is 1363125503. The reversal of 1363125500 is 55213631.

It is a super-2 number, since 2×1363125500² = 3716222257500500000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1363125500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363125503) 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, 49235 + ... + 71765.

Almost surely, 2^1363125500 is an apocalyptic number.

1363125500 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 1363125500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1636228776).

1363125500 is an abundant number, since it is smaller than the sum of its proper divisors (1909332052).

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

1363125500 is a wasteful number, since it uses less digits than its factorization.

1363125500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22572 (or 22549 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1363125500 is about 36920.5295194963. The cubic root of 1363125500 is about 1108.7797373890.

The spelling of 1363125500 in words is "one billion, three hundred sixty-three million, one hundred twenty-five thousand, five hundred".