140340232 has 32 divisors (see below), whose sum is σ = 281700000. Its totient is φ = 65346048.

The previous prime is 140340217. The next prime is 140340241. The reversal of 140340232 is 232043041.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1144 + ... + 16792.

It is an arithmetic number, because the mean of its divisors is an integer number (8803125).

Almost surely, 2^140340232 is an apocalyptic number.

It is an amenable number.

140340232 is an abundant number, since it is smaller than the sum of its proper divisors (141359768).

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

140340232 is a wasteful number, since it uses less digits than its factorization.

140340232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15733 (or 15729 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 140340232 is about 11846.5282678091. The cubic root of 140340232 is about 519.6697014849.

Adding to 140340232 its reverse (232043041), we get a palindrome (372383273).

The spelling of 140340232 in words is "one hundred forty million, three hundred forty thousand, two hundred thirty-two".