513444134 has 32 divisors (see below), whose sum is σ = 948105216. Its totient is φ = 203686560.

The previous prime is 513444133. The next prime is 513444179. The reversal of 513444134 is 431444315.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 513444097 and 513444106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513444131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15737 + ... + 35700.

It is an arithmetic number, because the mean of its divisors is an integer number (29628288).

Almost surely, 2^513444134 is an apocalyptic number.

513444134 is a deficient number, since it is larger than the sum of its proper divisors (434661082).

513444134 is a wasteful number, since it uses less digits than its factorization.

513444134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51500.

The product of its digits is 11520, while the sum is 29.

The square root of 513444134 is about 22659.3056822137. The cubic root of 513444134 is about 800.7514470631.

Adding to 513444134 its reverse (431444315), we get a palindrome (944888449).

The spelling of 513444134 in words is "five hundred thirteen million, four hundred forty-four thousand, one hundred thirty-four".