140774539 has 2 divisors, whose sum is σ = 140774540. Its totient is φ = 140774538.

The previous prime is 140774489. The next prime is 140774549. The reversal of 140774539 is 935477041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140774539 - 2¹¹ = 140772491 is a prime.

It is not a weakly prime, because it can be changed into another prime (140774549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70387269 + 70387270.

It is an arithmetic number, because the mean of its divisors is an integer number (70387270).

Almost surely, 2^140774539 is an apocalyptic number.

140774539 is a deficient number, since it is larger than the sum of its proper divisors (1).

140774539 is an equidigital number, since it uses as much as digits as its factorization.

140774539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 140774539 is about 11864.8446681783. The cubic root of 140774539 is about 520.2052185558.

The spelling of 140774539 in words is "one hundred forty million, seven hundred seventy-four thousand, five hundred thirty-nine".