140722 has 8 divisors (see below), whose sum is σ = 214272. Its totient is φ = 69300.

The previous prime is 140717. The next prime is 140729. The reversal of 140722 is 227041.

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

It is a junction number, because it is equal to n+sod(n) for n = 140696 and 140705.

It is not an unprimeable number, because it can be changed into a prime (140729) 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, 354 + ... + 637.

It is an arithmetic number, because the mean of its divisors is an integer number (26784).

2¹⁴⁰⁷²² is an apocalyptic number.

140722 is a deficient number, since it is larger than the sum of its proper divisors (73550).

140722 is an equidigital number, since it uses as much as digits as its factorization.

140722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 140722 is about 375.1293110382. The cubic root of 140722 is about 52.0140494582.

Adding to 140722 its reverse (227041), we get a palindrome (367763).

The spelling of 140722 in words is "one hundred forty thousand, seven hundred twenty-two", and thus it is an iban number.