140042134 has 4 divisors (see below), whose sum is σ = 210063204. Its totient is φ = 70021066.

The previous prime is 140042129. The next prime is 140042171. The reversal of 140042134 is 431240041.

140042134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×140042134² = 39223598590547912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35010532 + ... + 35010535.

It is an arithmetic number, because the mean of its divisors is an integer number (52515801).

Almost surely, 2^140042134 is an apocalyptic number.

140042134 is a deficient number, since it is larger than the sum of its proper divisors (70021070).

140042134 is an equidigital number, since it uses as much as digits as its factorization.

140042134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70021069.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140042134 is about 11833.9399187253. The cubic root of 140042134 is about 519.3014955666.

Adding to 140042134 its reverse (431240041), we get a palindrome (571282175).

It can be divided in two parts, 1400 and 42134, that added together give a palindrome (43534).

The spelling of 140042134 in words is "one hundred forty million, forty-two thousand, one hundred thirty-four".