140123151305 has 32 divisors (see below), whose sum is σ = 175116733440. Its totient is φ = 107520618240.

The previous prime is 140123151269. The next prime is 140123151307. The reversal of 140123151305 is 503151321041.

It is not a de Polignac number, because 140123151305 - 2¹² = 140123147209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140123151307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9416411 + ... + 9431279.

It is an arithmetic number, because the mean of its divisors is an integer number (5472397920).

Almost surely, 2^140123151305 is an apocalyptic number.

It is an amenable number.

140123151305 is a deficient number, since it is larger than the sum of its proper divisors (34993582135).

140123151305 is a wasteful number, since it uses less digits than its factorization.

140123151305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15441.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 140123151305 its reverse (503151321041), we get a palindrome (643274472346).

The spelling of 140123151305 in words is "one hundred forty billion, one hundred twenty-three million, one hundred fifty-one thousand, three hundred five".