140147122 has 8 divisors (see below), whose sum is σ = 210735900. Its totient is φ = 69901824.

The previous prime is 140147101. The next prime is 140147123. The reversal of 140147122 is 221741041.

140147122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 130850721 + 9296401 = 11439^2 + 3049^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 140147093 and 140147102.

It is not an unprimeable number, because it can be changed into a prime (140147123) 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, 84847 + ... + 86482.

Almost surely, 2^140147122 is an apocalyptic number.

140147122 is a deficient number, since it is larger than the sum of its proper divisors (70588778).

140147122 is a wasteful number, since it uses less digits than its factorization.

140147122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171740.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 140147122 is about 11838.3749729429. The cubic root of 140147122 is about 519.4312346318.

Adding to 140147122 its reverse (221741041), we get a palindrome (361888163).

The spelling of 140147122 in words is "one hundred forty million, one hundred forty-seven thousand, one hundred twenty-two".