140543229 has 8 divisors (see below), whose sum is σ = 187475392. Its totient is φ = 93653280.

The previous prime is 140543213. The next prime is 140543237. The reversal of 140543229 is 922345041.

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

It is not a de Polignac number, because 140543229 - 2⁴ = 140543213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140543196 and 140543205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140543239) 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, 1729 + ... + 16854.

It is an arithmetic number, because the mean of its divisors is an integer number (23434424).

Almost surely, 2^140543229 is an apocalyptic number.

It is an amenable number.

140543229 is a deficient number, since it is larger than the sum of its proper divisors (46932163).

140543229 is a wasteful number, since it uses less digits than its factorization.

140543229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21107.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 140543229 is about 11855.0929561940. The cubic root of 140543229 is about 519.9201418292.

The spelling of 140543229 in words is "one hundred forty million, five hundred forty-three thousand, two hundred twenty-nine".