513934990 has 32 divisors (see below), whose sum is σ = 1031058720. Its totient is φ = 183297024.

The previous prime is 513934963. The next prime is 513934999. The reversal of 513934990 is 99439315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513934999) by changing a digit.

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, 76327 + ... + 82786.

It is an arithmetic number, because the mean of its divisors is an integer number (32220585).

Almost surely, 2^513934990 is an apocalyptic number.

513934990 is an abundant number, since it is smaller than the sum of its proper divisors (517123730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513934990 is a wasteful number, since it uses less digits than its factorization.

513934990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159156.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 513934990 is about 22670.1343180847. The cubic root of 513934990 is about 801.0065403562.

The spelling of 513934990 in words is "five hundred thirteen million, nine hundred thirty-four thousand, nine hundred ninety".