140447406 has 32 divisors (see below), whose sum is σ = 317001600. Its totient is φ = 41091680.

The previous prime is 140447357. The next prime is 140447413. The reversal of 140447406 is 604744041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34776 + ... + 38603.

It is an arithmetic number, because the mean of its divisors is an integer number (9906300).

Almost surely, 2^140447406 is an apocalyptic number.

140447406 is an abundant number, since it is smaller than the sum of its proper divisors (176554194).

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

140447406 is a wasteful number, since it uses less digits than its factorization.

140447406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73424.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 140447406 is about 11851.0508394825. The cubic root of 140447406 is about 519.8019536747.

The spelling of 140447406 in words is "one hundred forty million, four hundred forty-seven thousand, four hundred six".