140299027 has 4 divisors (see below), whose sum is σ = 153053496. Its totient is φ = 127544560.

The previous prime is 140299001. The next prime is 140299031. The reversal of 140299027 is 720992041.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-140299027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140298983 and 140299001.

It is not an unprimeable number, because it can be changed into a prime (140299727) 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, 6377218 + ... + 6377239.

It is an arithmetic number, because the mean of its divisors is an integer number (38263374).

Almost surely, 2^140299027 is an apocalyptic number.

140299027 is a deficient number, since it is larger than the sum of its proper divisors (12754469).

140299027 is a wasteful number, since it uses less digits than its factorization.

140299027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12754468.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 140299027 is about 11844.7890230261. The cubic root of 140299027 is about 519.6188367976.

The spelling of 140299027 in words is "one hundred forty million, two hundred ninety-nine thousand, twenty-seven".