140306122 has 8 divisors (see below), whose sum is σ = 229591872. Its totient is φ = 63775500.

The previous prime is 140306113. The next prime is 140306129. The reversal of 140306122 is 221603041.

140306122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 140306122.

It is not an unprimeable number, because it can be changed into a prime (140306129) 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, 3188754 + ... + 3188797.

It is an arithmetic number, because the mean of its divisors is an integer number (28698984).

Almost surely, 2^140306122 is an apocalyptic number.

140306122 is a deficient number, since it is larger than the sum of its proper divisors (89285750).

140306122 is a wasteful number, since it uses less digits than its factorization.

140306122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6377564.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 140306122 is about 11845.0885180314. The cubic root of 140306122 is about 519.6275957880.

Adding to 140306122 its reverse (221603041), we get a palindrome (361909163).

The spelling of 140306122 in words is "one hundred forty million, three hundred six thousand, one hundred twenty-two".