140300730 has 48 divisors (see below), whose sum is σ = 376556544. Its totient is φ = 36205920.

The previous prime is 140300723. The next prime is 140300749. The reversal of 140300730 is 37003041.

140300730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22354 + ... + 27933.

It is an arithmetic number, because the mean of its divisors is an integer number (7844928).

Almost surely, 2^140300730 is an apocalyptic number.

140300730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140300730 is an abundant number, since it is smaller than the sum of its proper divisors (236255814).

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

140300730 is a wasteful number, since it uses less digits than its factorization.

140300730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50331 (or 50328 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 140300730 is about 11844.8609109605. The cubic root of 140300730 is about 519.6209392291.

Adding to 140300730 its reverse (37003041), we get a palindrome (177303771).

The spelling of 140300730 in words is "one hundred forty million, three hundred thousand, seven hundred thirty".