140015039 has 2 divisors, whose sum is σ = 140015040. Its totient is φ = 140015038.

The previous prime is 140015011. The next prime is 140015063. The reversal of 140015039 is 930510041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140015039 - 2²⁴ = 123237823 is a prime.

It is a super-2 number, since 2×140015039² = 39208422292343042, which contains 22 as substring.

It is equal to p_7913012 and since 140015039 and 7913012 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140015089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70007519 + 70007520.

It is an arithmetic number, because the mean of its divisors is an integer number (70007520).

Almost surely, 2^140015039 is an apocalyptic number.

140015039 is a deficient number, since it is larger than the sum of its proper divisors (1).

140015039 is an equidigital number, since it uses as much as digits as its factorization.

140015039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 140015039 is about 11832.7950628750. The cubic root of 140015039 is about 519.2680023572.

The spelling of 140015039 in words is "one hundred forty million, fifteen thousand, thirty-nine".