3540139 has 2 divisors, whose sum is σ = 3540140. Its totient is φ = 3540138.

The previous prime is 3540133. The next prime is 3540149. The reversal of 3540139 is 9310453.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3540139 is a prime.

It is not a weakly prime, because it can be changed into another prime (3540133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770069 + 1770070.

It is an arithmetic number, because the mean of its divisors is an integer number (1770070).

Almost surely, 2^3540139 is an apocalyptic number.

3540139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3540139 is an equidigital number, since it uses as much as digits as its factorization.

3540139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 3540139 is about 1881.5257106933. The cubic root of 3540139 is about 152.4076516941.

The spelling of 3540139 in words is "three million, five hundred forty thousand, one hundred thirty-nine".