140323042 has 8 divisors (see below), whose sum is σ = 210820032. Its totient is φ = 70049700.

The previous prime is 140323031. The next prime is 140323067. The reversal of 140323042 is 240323041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×140323042² = 39381112232267528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54334 + ... + 56857.

It is an arithmetic number, because the mean of its divisors is an integer number (26352504).

Almost surely, 2^140323042 is an apocalyptic number.

140323042 is a deficient number, since it is larger than the sum of its proper divisors (70496990).

140323042 is a wasteful number, since it uses less digits than its factorization.

140323042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111824.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 140323042 is about 11845.8027165743. The cubic root of 140323042 is about 519.6484828441.

Adding to 140323042 its reverse (240323041), we get a palindrome (380646083).

Subtracting 140323042 from its reverse (240323041), we obtain a palindrome (99999999).

The spelling of 140323042 in words is "one hundred forty million, three hundred twenty-three thousand, forty-two".