2540135419 has 2 divisors, whose sum is σ = 2540135420. Its totient is φ = 2540135418.

The previous prime is 2540135407. The next prime is 2540135447. The reversal of 2540135419 is 9145310452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2540135419 - 2¹¹ = 2540133371 is a prime.

It is a super-2 number, since 2×2540135419² = 12904575893716611122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2540135449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270067709 + 1270067710.

It is an arithmetic number, because the mean of its divisors is an integer number (1270067710).

Almost surely, 2^2540135419 is an apocalyptic number.

2540135419 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540135419 is an equidigital number, since it uses as much as digits as its factorization.

2540135419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 2540135419 is about 50399.7561402831. The cubic root of 2540135419 is about 1364.4332369565.

The spelling of 2540135419 in words is "two billion, five hundred forty million, one hundred thirty-five thousand, four hundred nineteen".