140448693 has 48 divisors (see below), whose sum is σ = 242966528. Its totient is φ = 70567200.

The previous prime is 140448691. The next prime is 140448697. The reversal of 140448693 is 396844041.

It is a happy number.

It is not a de Polignac number, because 140448693 - 2¹ = 140448691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140448691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77880 + ... + 79662.

Almost surely, 2^140448693 is an apocalyptic number.

It is an amenable number.

140448693 is a deficient number, since it is larger than the sum of its proper divisors (102517835).

140448693 is a wasteful number, since it uses less digits than its factorization.

140448693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846 (or 1835 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 140448693 is about 11851.1051383405. The cubic root of 140448693 is about 519.8035414175.

It can be divided in two parts, 140448 and 693, that added together give a palindrome (141141).

The spelling of 140448693 in words is "one hundred forty million, four hundred forty-eight thousand, six hundred ninety-three".