140124394 has 4 divisors (see below), whose sum is σ = 210186594. Its totient is φ = 70062196.

The previous prime is 140124379. The next prime is 140124431. The reversal of 140124394 is 493421041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 136072225 + 4052169 = 11665^2 + 2013^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35031097 + ... + 35031100.

Almost surely, 2^140124394 is an apocalyptic number.

140124394 is a deficient number, since it is larger than the sum of its proper divisors (70062200).

140124394 is an equidigital number, since it uses as much as digits as its factorization.

140124394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70062199.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 140124394 is about 11837.4150049747. The cubic root of 140124394 is about 519.4031539711.

The spelling of 140124394 in words is "one hundred forty million, one hundred twenty-four thousand, three hundred ninety-four".