140344413 has 32 divisors (see below), whose sum is σ = 214410240. Its totient is φ = 80826240.

The previous prime is 140344387. The next prime is 140344433. The reversal of 140344413 is 314443041.

It is not a de Polignac number, because 140344413 - 2⁸ = 140344157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140344433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135345 + ... + 136377.

It is an arithmetic number, because the mean of its divisors is an integer number (6700320).

Almost surely, 2^140344413 is an apocalyptic number.

It is an amenable number.

140344413 is a deficient number, since it is larger than the sum of its proper divisors (74065827).

140344413 is a wasteful number, since it uses less digits than its factorization.

140344413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 140344413 is about 11846.7047316965. The cubic root of 140344413 is about 519.6748620802.

Adding to 140344413 its reverse (314443041), we get a palindrome (454787454).

The spelling of 140344413 in words is "one hundred forty million, three hundred forty-four thousand, four hundred thirteen".