140304120 has 64 divisors (see below), whose sum is σ = 459181440. Its totient is φ = 34012800.

The previous prime is 140304107. The next prime is 140304121. The reversal of 140304120 is 21403041.

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

It is a self number, because there is not a number n which added to its sum of digits gives 140304120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140304121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51826 + ... + 54465.

It is an arithmetic number, because the mean of its divisors is an integer number (7174710).

Almost surely, 2^140304120 is an apocalyptic number.

140304120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140304120 is an abundant number, since it is smaller than the sum of its proper divisors (318877320).

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

140304120 is a wasteful number, since it uses less digits than its factorization.

140304120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106316 (or 106312 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 140304120 is about 11845.0040101302. The cubic root of 140304120 is about 519.6251242888.

Adding to 140304120 its reverse (21403041), we get a palindrome (161707161).

The spelling of 140304120 in words is "one hundred forty million, three hundred four thousand, one hundred twenty".