140407908 has 48 divisors (see below), whose sum is σ = 343620480. Its totient is φ = 44561664.

The previous prime is 140407907. The next prime is 140407921. The reversal of 140407908 is 809704041.

It is not an unprimeable number, because it can be changed into a prime (140407907) 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 15 ways as a sum of consecutive naturals, for example, 22641 + ... + 28167.

It is an arithmetic number, because the mean of its divisors is an integer number (7158760).

Almost surely, 2^140407908 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 140407908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171810240).

140407908 is an abundant number, since it is smaller than the sum of its proper divisors (203212572).

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

140407908 is a wasteful number, since it uses less digits than its factorization.

140407908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5636 (or 5634 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 140407908 is about 11849.3842878016. The cubic root of 140407908 is about 519.7532211678.

The spelling of 140407908 in words is "one hundred forty million, four hundred seven thousand, nine hundred eight".