140043413 has 8 divisors (see below), whose sum is σ = 144064536. Its totient is φ = 136051200.

The previous prime is 140043401. The next prime is 140043427. The reversal of 140043413 is 314340041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26450449 + 113592964 = 5143^2 + 10658^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140043413 - 2⁸ = 140043157 is a prime.

It is a super-2 number, since 2×140043413² = 39224315049377138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140043913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2795 + ... + 16967.

It is an arithmetic number, because the mean of its divisors is an integer number (18008067).

Almost surely, 2^140043413 is an apocalyptic number.

It is an amenable number.

140043413 is a deficient number, since it is larger than the sum of its proper divisors (4021123).

140043413 is a wasteful number, since it uses less digits than its factorization.

140043413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14455.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140043413 is about 11833.9939580853. The cubic root of 140043413 is about 519.3030764827.

Adding to 140043413 its reverse (314340041), we get a palindrome (454383454).

The spelling of 140043413 in words is "one hundred forty million, forty-three thousand, four hundred thirteen".