140704 has 12 divisors (see below), whose sum is σ = 277074. Its totient is φ = 70336.

The previous prime is 140689. The next prime is 140717. The reversal of 140704 is 407041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 121104 + 19600 = 348^2 + 140^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

140704 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2167 + ... + 2230.

2¹⁴⁰⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

140704 is a deficient number, since it is larger than the sum of its proper divisors (136370).

140704 is an equidigital number, since it uses as much as digits as its factorization.

140704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407 (or 4399 counting only the distinct ones).

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

The square root of 140704 is about 375.1053185440. The cubic root of 140704 is about 52.0118316273.

Adding to 140704 its reverse (407041), we get a palindrome (547745).

It can be divided in two parts, 14070 and 4, that multiplied together give a triangular number (56280 = T₃₃₅).

The spelling of 140704 in words is "one hundred forty thousand, seven hundred four", and thus it is an iban number.