140030100 has 288 divisors, whose sum is σ = 533299200. Its totient is φ = 30844800.

The previous prime is 140030087. The next prime is 140030101. The reversal of 140030100 is 1030041.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140030101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 585781 + ... + 586019.

Almost surely, 2^140030100 is an apocalyptic number.

140030100 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 140030100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266649600).

140030100 is an abundant number, since it is smaller than the sum of its proper divisors (393269100).

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

140030100 is a wasteful number, since it uses less digits than its factorization.

140030100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 140030100 is about 11833.4314549923. The cubic root of 140030100 is about 519.2866203929.

Adding to 140030100 its reverse (1030041), we get a palindrome (141060141).

The spelling of 140030100 in words is "one hundred forty million, thirty thousand, one hundred".