140225331 has 4 divisors (see below), whose sum is σ = 186967112. Its totient is φ = 93483552.

The previous prime is 140225329. The next prime is 140225341. The reversal of 140225331 is 133522041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133522041 = 3 ⋅44507347.

It is not a de Polignac number, because 140225331 - 2¹ = 140225329 is a prime.

It is a super-2 number, since 2×140225331² = 39326286908119122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140225298 and 140225307.

It is not an unprimeable number, because it can be changed into a prime (140225341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23370886 + ... + 23370891.

It is an arithmetic number, because the mean of its divisors is an integer number (46741778).

Almost surely, 2^140225331 is an apocalyptic number.

140225331 is a deficient number, since it is larger than the sum of its proper divisors (46741781).

140225331 is an equidigital number, since it uses as much as digits as its factorization.

140225331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46741780.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 140225331 is about 11841.6777105273. The cubic root of 140225331 is about 519.5278394054.

Adding to 140225331 its reverse (133522041), we get a palindrome (273747372).

The spelling of 140225331 in words is "one hundred forty million, two hundred twenty-five thousand, three hundred thirty-one".