140342673 has 8 divisors (see below), whose sum is σ = 193159936. Its totient is φ = 90543600.

The previous prime is 140342659. The next prime is 140342677. The reversal of 140342673 is 376243041.

140342673 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 not a de Polignac number, because 140342673 - 2⁹ = 140342161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140342673.

It is not an unprimeable number, because it can be changed into a prime (140342677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754438 + ... + 754623.

It is an arithmetic number, because the mean of its divisors is an integer number (24144992).

Almost surely, 2^140342673 is an apocalyptic number.

It is an amenable number.

140342673 is a deficient number, since it is larger than the sum of its proper divisors (52817263).

140342673 is a wasteful number, since it uses less digits than its factorization.

140342673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509095.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 140342673 is about 11846.6312933255. The cubic root of 140342673 is about 519.6727144161.

The spelling of 140342673 in words is "one hundred forty million, three hundred forty-two thousand, six hundred seventy-three".