140342122 has 8 divisors (see below), whose sum is σ = 212683716. Its totient is φ = 69447552.

The previous prime is 140342119. The next prime is 140342131. The reversal of 140342122 is 221243041.

It can be written as a sum of positive squares in 2 ways, for example, as 139216401 + 1125721 = 11799^2 + 1061^2 .

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

It is a super-2 number, since 2×140342122² = 39391822414925768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140342122.

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, 361513 + ... + 361900.

Almost surely, 2^140342122 is an apocalyptic number.

140342122 is a deficient number, since it is larger than the sum of its proper divisors (72341594).

140342122 is an equidigital number, since it uses as much as digits as its factorization.

140342122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723512.

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

The square root of 140342122 is about 11846.6080377465. The cubic root of 140342122 is about 519.6720343187.

Adding to 140342122 its reverse (221243041), we get a palindrome (361585163).

The spelling of 140342122 in words is "one hundred forty million, three hundred forty-two thousand, one hundred twenty-two".