840145035 has 16 divisors (see below), whose sum is σ = 1402677504. Its totient is φ = 428595552.

The previous prime is 840144979. The next prime is 840145087. The reversal of 840145035 is 530541048.

It is not a de Polignac number, because 840145035 - 2⁶ = 840144971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 840144993 and 840145011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1217257 + ... + 1217946.

It is an arithmetic number, because the mean of its divisors is an integer number (87667344).

Almost surely, 2^840145035 is an apocalyptic number.

840145035 is a deficient number, since it is larger than the sum of its proper divisors (562532469).

840145035 is a wasteful number, since it uses less digits than its factorization.

840145035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435234.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 840145035 is about 28985.2554758450. The cubic root of 840145035 is about 943.5930969657.

The spelling of 840145035 in words is "eight hundred forty million, one hundred forty-five thousand, thirty-five".