140113042 has 4 divisors (see below), whose sum is σ = 210169566. Its totient is φ = 70056520.

The previous prime is 140112991. The next prime is 140113067. The reversal of 140113042 is 240311041.

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., 109432521 + 30680521 = 10461^2 + 5539^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35028259 + ... + 35028262.

Almost surely, 2^140113042 is an apocalyptic number.

140113042 is a deficient number, since it is larger than the sum of its proper divisors (70056524).

140113042 is an equidigital number, since it uses as much as digits as its factorization.

140113042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70056523.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140113042 is about 11836.9354986838. The cubic root of 140113042 is about 519.3891273298.

Adding to 140113042 its reverse (240311041), we get a palindrome (380424083).

The spelling of 140113042 in words is "one hundred forty million, one hundred thirteen thousand, forty-two".