42140353 has 4 divisors (see below), whose sum is σ = 42935508. Its totient is φ = 41345200.

The previous prime is 42140327. The next prime is 42140383. The reversal of 42140353 is 35304124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10195249 + 31945104 = 3193^2 + 5652^2 .

It is a cyclic number.

It is not a de Polignac number, because 42140353 - 2⁵ = 42140321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42140303) 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, 397498 + ... + 397603.

It is an arithmetic number, because the mean of its divisors is an integer number (10733877).

Almost surely, 2^42140353 is an apocalyptic number.

It is an amenable number.

42140353 is a deficient number, since it is larger than the sum of its proper divisors (795155).

42140353 is an equidigital number, since it uses as much as digits as its factorization.

42140353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795154.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42140353 is about 6491.5601360536. The cubic root of 42140353 is about 347.9894330037.

Adding to 42140353 its reverse (35304124), we get a palindrome (77444477).

The spelling of 42140353 in words is "forty-two million, one hundred forty thousand, three hundred fifty-three".