40014539 has 2 divisors, whose sum is σ = 40014540. Its totient is φ = 40014538.

The previous prime is 40014529. The next prime is 40014571. The reversal of 40014539 is 93541004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40014539 - 2⁸ = 40014283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40014529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20007269 + 20007270.

It is an arithmetic number, because the mean of its divisors is an integer number (20007270).

Almost surely, 2^40014539 is an apocalyptic number.

40014539 is a deficient number, since it is larger than the sum of its proper divisors (1).

40014539 is an equidigital number, since it uses as much as digits as its factorization.

40014539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 40014539 is about 6325.7046247829. The cubic root of 40014539 is about 342.0366198832.

The spelling of 40014539 in words is "forty million, fourteen thousand, five hundred thirty-nine".