140409039 has 16 divisors (see below), whose sum is σ = 194267520. Its totient is φ = 90098400.

The previous prime is 140409037. The next prime is 140409047. The reversal of 140409039 is 930904041.

It is not a de Polignac number, because 140409039 - 2¹ = 140409037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140408997 and 140409015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140409037) 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, 27864 + ... + 32514.

It is an arithmetic number, because the mean of its divisors is an integer number (12141720).

Almost surely, 2^140409039 is an apocalyptic number.

140409039 is a deficient number, since it is larger than the sum of its proper divisors (53858481).

140409039 is a wasteful number, since it uses less digits than its factorization.

140409039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 140409039 is about 11849.4320117042. The cubic root of 140409039 is about 519.7546167191.

The spelling of 140409039 in words is "one hundred forty million, four hundred nine thousand, thirty-nine".