140610839 has 2 divisors, whose sum is σ = 140610840. Its totient is φ = 140610838.

The previous prime is 140610787. The next prime is 140610851. The reversal of 140610839 is 938016041.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (938016041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140610839 - 2¹² = 140606743 is a prime.

It is a super-3 number, since 3×140610839³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140610889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70305419 + 70305420.

It is an arithmetic number, because the mean of its divisors is an integer number (70305420).

Almost surely, 2^140610839 is an apocalyptic number.

140610839 is a deficient number, since it is larger than the sum of its proper divisors (1).

140610839 is an equidigital number, since it uses as much as digits as its factorization.

140610839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 140610839 is about 11857.9441304132. The cubic root of 140610839 is about 520.0034997299.

The spelling of 140610839 in words is "one hundred forty million, six hundred ten thousand, eight hundred thirty-nine".