140331122 has 4 divisors (see below), whose sum is σ = 210496686. Its totient is φ = 70165560.

The previous prime is 140331089. The next prime is 140331223. The reversal of 140331122 is 221133041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221133041 = 3803 ⋅58147.

It can be written as a sum of positive squares in only one way, i.e., 83192641 + 57138481 = 9121^2 + 7559^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140331122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35082779 + ... + 35082782.

Almost surely, 2^140331122 is an apocalyptic number.

140331122 is a deficient number, since it is larger than the sum of its proper divisors (70165564).

140331122 is an equidigital number, since it uses as much as digits as its factorization.

140331122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70165563.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 140331122 is about 11846.1437607350. The cubic root of 140331122 is about 519.6584566851.

Adding to 140331122 its reverse (221133041), we get a palindrome (361464163).

The spelling of 140331122 in words is "one hundred forty million, three hundred thirty-one thousand, one hundred twenty-two".