140342208 has 224 divisors, whose sum is σ = 433059840. Its totient is φ = 39813120.

The previous prime is 140342207. The next prime is 140342243. The reversal of 140342208 is 802243041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140342201) 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 31 ways as a sum of consecutive naturals, for example, 1922460 + ... + 1922532.

Almost surely, 2^140342208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140342208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216529920).

140342208 is an abundant number, since it is smaller than the sum of its proper divisors (292717632).

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

140342208 is a wasteful number, since it uses less digits than its factorization.

140342208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 140342208 is about 11846.6116674769. The cubic root of 140342208 is about 519.6721404683.

Adding to 140342208 its reverse (802243041), we get a palindrome (942585249).

The spelling of 140342208 in words is "one hundred forty million, three hundred forty-two thousand, two hundred eight".