140489213 has 8 divisors (see below), whose sum is σ = 144055296. Its totient is φ = 136936800.

The previous prime is 140489201. The next prime is 140489231. The reversal of 140489213 is 312984041.

It is a happy number.

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 140489213 - 2⁶ = 140489149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140489213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140489233) 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, 19268 + ... + 25538.

It is an arithmetic number, because the mean of its divisors is an integer number (18006912).

Almost surely, 2^140489213 is an apocalyptic number.

It is an amenable number.

140489213 is a deficient number, since it is larger than the sum of its proper divisors (3566083).

140489213 is an equidigital number, since it uses as much as digits as its factorization.

140489213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6835.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 140489213 is about 11852.8145602637. The cubic root of 140489213 is about 519.8535250659.

The spelling of 140489213 in words is "one hundred forty million, four hundred eighty-nine thousand, two hundred thirteen".