140348938 has 8 divisors (see below), whose sum is σ = 212386788. Its totient is φ = 69553344.

The previous prime is 140348899. The next prime is 140348939. The reversal of 140348938 is 839843041.

It can be written as a sum of positive squares in 2 ways, for example, as 101747569 + 38601369 = 10087^2 + 6213^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 140348938.

It is not an unprimeable number, because it can be changed into a prime (140348939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310281 + ... + 310732.

Almost surely, 2^140348938 is an apocalyptic number.

140348938 is a deficient number, since it is larger than the sum of its proper divisors (72037850).

140348938 is a wasteful number, since it uses less digits than its factorization.

140348938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621128.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 140348938 is about 11846.8957115356. The cubic root of 140348938 is about 519.6804471582.

The spelling of 140348938 in words is "one hundred forty million, three hundred forty-eight thousand, nine hundred thirty-eight".