140627839 has 16 divisors (see below), whose sum is σ = 155520000. Its totient is φ = 126101920.

The previous prime is 140627831. The next prime is 140627843. The reversal of 140627839 is 938726041.

It is a cyclic number.

It is not a de Polignac number, because 140627839 - 2³ = 140627831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140627831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391542 + ... + 391900.

It is an arithmetic number, because the mean of its divisors is an integer number (9720000).

Almost surely, 2^140627839 is an apocalyptic number.

140627839 is a deficient number, since it is larger than the sum of its proper divisors (14892161).

140627839 is a wasteful number, since it uses less digits than its factorization.

140627839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 140627839 is about 11858.6609277776. The cubic root of 140627839 is about 520.0244552108.

The spelling of 140627839 in words is "one hundred forty million, six hundred twenty-seven thousand, eight hundred thirty-nine".