140730000 has 100 divisors (see below), whose sum is σ = 454392048. Its totient is φ = 37520000.

The previous prime is 140729993. The next prime is 140730001. The reversal of 140730000 is 37041.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (140730001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27655 + ... + 32345.

Almost surely, 2^140730000 is an apocalyptic number.

140730000 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 140730000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227196024).

140730000 is an abundant number, since it is smaller than the sum of its proper divisors (313662048).

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

140730000 is an equidigital number, since it uses as much as digits as its factorization.

140730000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722 (or 4701 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 140730000 is about 11862.9675882555. The cubic root of 140730000 is about 520.1503510012.

Adding to 140730000 its reverse (37041), we get a palindrome (140767041).

The spelling of 140730000 in words is "one hundred forty million, seven hundred thirty thousand".