513142456 has 16 divisors (see below), whose sum is σ = 965804400. Its totient is φ = 255594624.

The previous prime is 513142453. The next prime is 513142459. The reversal of 513142456 is 654241315.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (513142453) and next prime (513142459).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513142453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119841 + ... + 124048.

It is an arithmetic number, because the mean of its divisors is an integer number (60362775).

Almost surely, 2^513142456 is an apocalyptic number.

It is an amenable number.

513142456 is a deficient number, since it is larger than the sum of its proper divisors (452661944).

513142456 is a wasteful number, since it uses less digits than its factorization.

513142456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244158 (or 244154 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 513142456 is about 22652.6478805459. The cubic root of 513142456 is about 800.5945871399.

The spelling of 513142456 in words is "five hundred thirteen million, one hundred forty-two thousand, four hundred fifty-six".