140234413 has 4 divisors (see below), whose sum is σ = 152983008. Its totient is φ = 127485820.

The previous prime is 140234389. The next prime is 140234431. The reversal of 140234413 is 314432041.

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 140234413 - 2¹³ = 140226221 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 (140234113) 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, 6374281 + ... + 6374302.

It is an arithmetic number, because the mean of its divisors is an integer number (38245752).

Almost surely, 2^140234413 is an apocalyptic number.

It is an amenable number.

140234413 is a deficient number, since it is larger than the sum of its proper divisors (12748595).

140234413 is a wasteful number, since it uses less digits than its factorization.

140234413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12748594.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 140234413 is about 11842.0611803858. The cubic root of 140234413 is about 519.5390552819.

Adding to 140234413 its reverse (314432041), we get a palindrome (454666454).

The spelling of 140234413 in words is "one hundred forty million, two hundred thirty-four thousand, four hundred thirteen".