140634356 has 12 divisors (see below), whose sum is σ = 246204420. Its totient is φ = 70290240.

The previous prime is 140634331. The next prime is 140634367. The reversal of 140634356 is 653436041.

It can be written as a sum of positive squares in 2 ways, for example, as 43296400 + 97337956 = 6580^2 + 9866^2 .

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, 9200 + ... + 19128.

It is an arithmetic number, because the mean of its divisors is an integer number (20517035).

Almost surely, 2^140634356 is an apocalyptic number.

It is an amenable number.

140634356 is a deficient number, since it is larger than the sum of its proper divisors (105570064).

140634356 is a wasteful number, since it uses less digits than its factorization.

140634356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13474 (or 13472 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 140634356 is about 11858.9357026674. The cubic root of 140634356 is about 520.0324881083.

The spelling of 140634356 in words is "one hundred forty million, six hundred thirty-four thousand, three hundred fifty-six".