140399039 has 8 divisors (see below), whose sum is σ = 162172368. Its totient is φ = 120127360.

The previous prime is 140399033. The next prime is 140399041. The reversal of 140399039 is 930993041.

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 140399039 - 2⁴ = 140399023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140398993 and 140399011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140399033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375212 + ... + 375585.

It is an arithmetic number, because the mean of its divisors is an integer number (20271546).

Almost surely, 2^140399039 is an apocalyptic number.

140399039 is a deficient number, since it is larger than the sum of its proper divisors (21773329).

140399039 is a wasteful number, since it uses less digits than its factorization.

140399039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750825.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 140399039 is about 11849.0100430374. The cubic root of 140399039 is about 519.7422773674.

The spelling of 140399039 in words is "one hundred forty million, three hundred ninety-nine thousand, thirty-nine".