140063493 has 16 divisors (see below), whose sum is σ = 198075456. Its totient is φ = 87732480.

The previous prime is 140063479. The next prime is 140063501. The reversal of 140063493 is 394360041.

It is not a de Polignac number, because 140063493 - 2⁴ = 140063477 is a prime.

It is a super-2 number, since 2×140063493² = 39235564142722098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140063493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140063293) 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 15 ways as a sum of consecutive naturals, for example, 32823 + ... + 36843.

It is an arithmetic number, because the mean of its divisors is an integer number (12379716).

Almost surely, 2^140063493 is an apocalyptic number.

It is an amenable number.

140063493 is a deficient number, since it is larger than the sum of its proper divisors (58011963).

140063493 is a wasteful number, since it uses less digits than its factorization.

140063493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4724.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 140063493 is about 11834.8423310157. The cubic root of 140063493 is about 519.3278952329.

The spelling of 140063493 in words is "one hundred forty million, sixty-three thousand, four hundred ninety-three".