835129345 has 8 divisors (see below), whose sum is σ = 1018584360. Its totient is φ = 657150720.

The previous prime is 835129343. The next prime is 835129381. The reversal of 835129345 is 543921538.

It can be written as a sum of positive squares in 4 ways, for example, as 100881936 + 734247409 = 10044^2 + 27097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 835129345 - 2¹ = 835129343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 835129298 and 835129307.

It is not an unprimeable number, because it can be changed into a prime (835129343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1368760 + ... + 1369369.

It is an arithmetic number, because the mean of its divisors is an integer number (127323045).

Almost surely, 2^835129345 is an apocalyptic number.

It is an amenable number.

835129345 is a deficient number, since it is larger than the sum of its proper divisors (183455015).

835129345 is a wasteful number, since it uses less digits than its factorization.

835129345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738195.

The product of its digits is 129600, while the sum is 40.

The square root of 835129345 is about 28898.6045510852. The cubic root of 835129345 is about 941.7115884627.

The spelling of 835129345 in words is "eight hundred thirty-five million, one hundred twenty-nine thousand, three hundred forty-five".