140570 has 8 divisors (see below), whose sum is σ = 253044. Its totient is φ = 56224.

The previous prime is 140557. The next prime is 140587. The reversal of 140570 is 75041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 121801 + 18769 = 349^2 + 137^2 .

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

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7019 + ... + 7038.

2¹⁴⁰⁵⁷⁰ is an apocalyptic number.

140570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140570 is a deficient number, since it is larger than the sum of its proper divisors (112474).

140570 is a wasteful number, since it uses less digits than its factorization.

140570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14064.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 140570 is about 374.9266594949. The cubic root of 140570 is about 51.9953151598.

It can be divided in two parts, 140 and 570, that multiplied together give a triangular number (79800 = T₃₉₉).

The spelling of 140570 in words is "one hundred forty thousand, five hundred seventy".