140334140 has 24 divisors (see below), whose sum is σ = 296412480. Its totient is φ = 55807808.

The previous prime is 140334119. The next prime is 140334149. The reversal of 140334140 is 41433041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140334149) 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, 16820 + ... + 23739.

It is an arithmetic number, because the mean of its divisors is an integer number (12350520).

Almost surely, 2^140334140 is an apocalyptic number.

140334140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140334140 is an abundant number, since it is smaller than the sum of its proper divisors (156078340).

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

140334140 is a wasteful number, since it uses less digits than its factorization.

140334140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40741 (or 40739 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140334140 is about 11846.2711432754. The cubic root of 140334140 is about 519.6621819647.

Adding to 140334140 its reverse (41433041), we get a palindrome (181767181).

The spelling of 140334140 in words is "one hundred forty million, three hundred thirty-four thousand, one hundred forty".