9420138000 has 1120 divisors, whose sum is σ = 42624271872. Its totient is φ = 1959552000.

The previous prime is 9420137999. The next prime is 9420138019. The reversal of 9420138000 is 8310249.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 132677965 + ... + 132678035.

Almost surely, 2^9420138000 is an apocalyptic number.

9420138000 is a gapful number since it is divisible by the number (90) 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 9420138000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21312135936).

9420138000 is an abundant number, since it is smaller than the sum of its proper divisors (33204133872).

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

9420138000 is a wasteful number, since it uses less digits than its factorization.

9420138000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 9420138000 is about 97057.3953905626. The cubic root of 9420138000 is about 2111.9603233765.

Adding to 9420138000 its reverse (8310249), we get a palindrome (9428448249).

The spelling of 9420138000 in words is "nine billion, four hundred twenty million, one hundred thirty-eight thousand".