140424413 has 4 divisors (see below), whose sum is σ = 141354528. Its totient is φ = 139494300.

The previous prime is 140424397. The next prime is 140424419. The reversal of 140424413 is 314424041.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 140424413 - 2⁴ = 140424397 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 (140424419) 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, 464831 + ... + 465132.

It is an arithmetic number, because the mean of its divisors is an integer number (35338632).

Almost surely, 2^140424413 is an apocalyptic number.

It is an amenable number.

140424413 is a deficient number, since it is larger than the sum of its proper divisors (930115).

140424413 is an equidigital number, since it uses as much as digits as its factorization.

140424413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930114.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 140424413 is about 11850.0807170247. The cubic root of 140424413 is about 519.7735860958.

Adding to 140424413 its reverse (314424041), we get a palindrome (454848454).

The spelling of 140424413 in words is "one hundred forty million, four hundred twenty-four thousand, four hundred thirteen".