140067493 has 8 divisors (see below), whose sum is σ = 146707200. Its totient is φ = 133473648.

The previous prime is 140067481. The next prime is 140067503. The reversal of 140067493 is 394760041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 140067493 - 2¹³ = 140059301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140067413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5133 + ... + 17506.

It is an arithmetic number, because the mean of its divisors is an integer number (18338400).

Almost surely, 2^140067493 is an apocalyptic number.

It is an amenable number.

140067493 is a deficient number, since it is larger than the sum of its proper divisors (6639707).

140067493 is a wasteful number, since it uses less digits than its factorization.

140067493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22931.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 140067493 is about 11835.0113223435. The cubic root of 140067493 is about 519.3328389237.

The spelling of 140067493 in words is "one hundred forty million, sixty-seven thousand, four hundred ninety-three".