140314142 has 4 divisors (see below), whose sum is σ = 210471216. Its totient is φ = 70157070.

The previous prime is 140314133. The next prime is 140314169. The reversal of 140314142 is 241413041.

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

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, 35078534 + ... + 35078537.

It is an arithmetic number, because the mean of its divisors is an integer number (52617804).

Almost surely, 2^140314142 is an apocalyptic number.

140314142 is a deficient number, since it is larger than the sum of its proper divisors (70157074).

140314142 is an equidigital number, since it uses as much as digits as its factorization.

140314142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70157073.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 140314142 is about 11845.4270501320. The cubic root of 140314142 is about 519.6374963631.

Adding to 140314142 its reverse (241413041), we get a palindrome (381727183).

The spelling of 140314142 in words is "one hundred forty million, three hundred fourteen thousand, one hundred forty-two".