140326938 has 64 divisors (see below), whose sum is σ = 319334400. Its totient is φ = 45667440.

The previous prime is 140326909. The next prime is 140326939. The reversal of 140326938 is 839623041.

It is not an unprimeable number, because it can be changed into a prime (140326939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 587023 + ... + 587261.

It is an arithmetic number, because the mean of its divisors is an integer number (4989600).

Almost surely, 2^140326938 is an apocalyptic number.

140326938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140326938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159667200).

140326938 is an abundant number, since it is smaller than the sum of its proper divisors (179007462).

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

140326938 is a wasteful number, since it uses less digits than its factorization.

140326938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 140326938 is about 11845.9671618657. The cubic root of 140326938 is about 519.6532920608.

Adding to 140326938 its reverse (839623041), we get a palindrome (979949979).

The spelling of 140326938 in words is "one hundred forty million, three hundred twenty-six thousand, nine hundred thirty-eight".