140246328 has 64 divisors (see below), whose sum is σ = 372936960. Its totient is φ = 43798016.

The previous prime is 140246299. The next prime is 140246329. The reversal of 140246328 is 823642041.

It is a junction number, because it is equal to n+sod(n) for n = 140246295 and 140246304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140246329) 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, 106651 + ... + 107957.

It is an arithmetic number, because the mean of its divisors is an integer number (5827140).

Almost surely, 2^140246328 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 140246328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186468480).

140246328 is an abundant number, since it is smaller than the sum of its proper divisors (232690632).

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

140246328 is a wasteful number, since it uses less digits than its factorization.

140246328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596 (or 1592 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 140246328 is about 11842.5642493507. The cubic root of 140246328 is about 519.5537690563.

Adding to 140246328 its reverse (823642041), we get a palindrome (963888369).

The spelling of 140246328 in words is "one hundred forty million, two hundred forty-six thousand, three hundred twenty-eight".