140541393 has 4 divisors (see below), whose sum is σ = 187388528. Its totient is φ = 93694260.

The previous prime is 140541391. The next prime is 140541407. The reversal of 140541393 is 393145041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 140541393 - 2¹ = 140541391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140541393.

It is not an unprimeable number, because it can be changed into a prime (140541391) by changing a digit.

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, 23423563 + ... + 23423568.

It is an arithmetic number, because the mean of its divisors is an integer number (46847132).

Almost surely, 2^140541393 is an apocalyptic number.

It is an amenable number.

140541393 is a deficient number, since it is larger than the sum of its proper divisors (46847135).

140541393 is an equidigital number, since it uses as much as digits as its factorization.

140541393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46847134.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 140541393 is about 11855.0155208671. The cubic root of 140541393 is about 519.9178778104.

The spelling of 140541393 in words is "one hundred forty million, five hundred forty-one thousand, three hundred ninety-three".