140958939 has 16 divisors (see below), whose sum is σ = 205418880. Its totient is φ = 85268160.

The previous prime is 140958893. The next prime is 140958941. The reversal of 140958939 is 939859041.

It is not a de Polignac number, because 140958939 - 2⁹ = 140958427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140938939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15024 + ... + 22530.

It is an arithmetic number, because the mean of its divisors is an integer number (12838680).

Almost surely, 2^140958939 is an apocalyptic number.

140958939 is a deficient number, since it is larger than the sum of its proper divisors (64459941).

140958939 is a wasteful number, since it uses less digits than its factorization.

140958939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8090.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 140958939 is about 11872.6129811428. The cubic root of 140958939 is about 520.4322576903.

The spelling of 140958939 in words is "one hundred forty million, nine hundred fifty-eight thousand, nine hundred thirty-nine".