140150123 has 4 divisors (see below), whose sum is σ = 142447728. Its totient is φ = 137852520.

The previous prime is 140150119. The next prime is 140150147. The reversal of 140150123 is 321051041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140150123 - 2² = 140150119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140150113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148711 + ... + 1148832.

It is an arithmetic number, because the mean of its divisors is an integer number (35611932).

Almost surely, 2^140150123 is an apocalyptic number.

140150123 is a deficient number, since it is larger than the sum of its proper divisors (2297605).

140150123 is an equidigital number, since it uses as much as digits as its factorization.

140150123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297604.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 140150123 is about 11838.5017210794. The cubic root of 140150123 is about 519.4349421690.

The spelling of 140150123 in words is "one hundred forty million, one hundred fifty thousand, one hundred twenty-three".