140887830 has 16 divisors (see below), whose sum is σ = 338130864. Its totient is φ = 37570080.

The previous prime is 140887819. The next prime is 140887837. The reversal of 140887830 is 38788041.

140887830 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140887837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2348101 + ... + 2348160.

It is an arithmetic number, because the mean of its divisors is an integer number (21133179).

Almost surely, 2^140887830 is an apocalyptic number.

140887830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140887830 is an abundant number, since it is smaller than the sum of its proper divisors (197243034).

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

140887830 is a wasteful number, since it uses less digits than its factorization.

140887830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4696271.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 140887830 is about 11869.6179382489. The cubic root of 140887830 is about 520.3447295008.

The spelling of 140887830 in words is "one hundred forty million, eight hundred eighty-seven thousand, eight hundred thirty".