140870539 has 2 divisors, whose sum is σ = 140870540. Its totient is φ = 140870538.

The previous prime is 140870497. The next prime is 140870567. The reversal of 140870539 is 935078041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140870539 - 2⁹ = 140870027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140870498 and 140870507.

It is not a weakly prime, because it can be changed into another prime (140870039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70435269 + 70435270.

It is an arithmetic number, because the mean of its divisors is an integer number (70435270).

Almost surely, 2^140870539 is an apocalyptic number.

140870539 is a deficient number, since it is larger than the sum of its proper divisors (1).

140870539 is an equidigital number, since it uses as much as digits as its factorization.

140870539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 140870539 is about 11868.8895436768. The cubic root of 140870539 is about 520.3234415282.

The spelling of 140870539 in words is "one hundred forty million, eight hundred seventy thousand, five hundred thirty-nine".