140007673 has 8 divisors (see below), whose sum is σ = 150880968. Its totient is φ = 129149184.

The previous prime is 140007643. The next prime is 140007683. The reversal of 140007673 is 376700041.

It can be written as a sum of positive squares in 4 ways, for example, as 3888784 + 136118889 = 1972^2 + 11667^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 140007673 - 2⁵ = 140007641 is a prime.

It is a super-3 number, since 3×140007673³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140007643) 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 7 ways as a sum of consecutive naturals, for example, 23265 + ... + 28657.

It is an arithmetic number, because the mean of its divisors is an integer number (18860121).

Almost surely, 2^140007673 is an apocalyptic number.

140007673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

140007673 is a deficient number, since it is larger than the sum of its proper divisors (10873295).

140007673 is a wasteful number, since it uses less digits than its factorization.

140007673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7403.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 140007673 is about 11832.4838051865. The cubic root of 140007673 is about 519.2588962040.

The spelling of 140007673 in words is "one hundred forty million, seven thousand, six hundred seventy-three".