1030138200 has 576 divisors, whose sum is σ = 4495545600. Its totient is φ = 205286400.

The previous prime is 1030138177. The next prime is 1030138211. The reversal of 1030138200 is 28310301.

It is a super-2 number, since 2×1030138200² = 2122369422198480000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3112035 + ... + 3112365.

Almost surely, 2^1030138200 is an apocalyptic number.

1030138200 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 1030138200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2247772800).

1030138200 is an abundant number, since it is smaller than the sum of its proper divisors (3465407400).

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

1030138200 is a wasteful number, since it uses less digits than its factorization.

1030138200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1030138200 is about 32095.7660759172. The cubic root of 1030138200 is about 1009.9467997989.

Adding to 1030138200 its reverse (28310301), we get a palindrome (1058448501).

The spelling of 1030138200 in words is "one billion, thirty million, one hundred thirty-eight thousand, two hundred".