140314442 has 4 divisors (see below), whose sum is σ = 210471666. Its totient is φ = 70157220.

The previous prime is 140314429. The next prime is 140314451. The reversal of 140314442 is 244413041.

It is a happy number.

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., 139688761 + 625681 = 11819^2 + 791^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35078609 + ... + 35078612.

Almost surely, 2^140314442 is an apocalyptic number.

140314442 is a deficient number, since it is larger than the sum of its proper divisors (70157224).

140314442 is an equidigital number, since it uses as much as digits as its factorization.

140314442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70157223.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 140314442 is about 11845.4397132399. The cubic root of 140314442 is about 519.6378667015.

Adding to 140314442 its reverse (244413041), we get a palindrome (384727483).

The spelling of 140314442 in words is "one hundred forty million, three hundred fourteen thousand, four hundred forty-two".