140450406 has 16 divisors (see below), whose sum is σ = 281458800. Its totient is φ = 46723808.

The previous prime is 140450383. The next prime is 140450411. The reversal of 140450406 is 604054041.

140450406 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19941 + ... + 26048.

It is an arithmetic number, because the mean of its divisors is an integer number (17591175).

Almost surely, 2^140450406 is an apocalyptic number.

140450406 is an abundant number, since it is smaller than the sum of its proper divisors (141008394).

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

140450406 is a wasteful number, since it uses less digits than its factorization.

140450406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46503.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 140450406 is about 11851.1774098610. The cubic root of 140450406 is about 519.8056546918.

The spelling of 140450406 in words is "one hundred forty million, four hundred fifty thousand, four hundred six".