140634446 has 8 divisors (see below), whose sum is σ = 212056704. Its totient is φ = 69948880.

The previous prime is 140634401. The next prime is 140634479. The reversal of 140634446 is 644436041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 183695 + ... + 184458.

It is an arithmetic number, because the mean of its divisors is an integer number (26507088).

Almost surely, 2^140634446 is an apocalyptic number.

140634446 is a deficient number, since it is larger than the sum of its proper divisors (71422258).

140634446 is a wasteful number, since it uses less digits than its factorization.

140634446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368346.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 140634446 is about 11858.9394972738. The cubic root of 140634446 is about 520.0325990411.

The spelling of 140634446 in words is "one hundred forty million, six hundred thirty-four thousand, four hundred forty-six".