513126142 has 8 divisors (see below), whose sum is σ = 770187600. Its totient is φ = 256396944.

The previous prime is 513126137. The next prime is 513126149. The reversal of 513126142 is 241621315.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513126149) 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, 79167 + ... + 85402.

It is an arithmetic number, because the mean of its divisors is an integer number (96273450).

Almost surely, 2^513126142 is an apocalyptic number.

513126142 is a deficient number, since it is larger than the sum of its proper divisors (257061458).

513126142 is a wasteful number, since it uses less digits than its factorization.

513126142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166130.

The product of its digits is 1440, while the sum is 25.

The square root of 513126142 is about 22652.2877873296. The cubic root of 513126142 is about 800.5861027912.

Adding to 513126142 its reverse (241621315), we get a palindrome (754747457).

The spelling of 513126142 in words is "five hundred thirteen million, one hundred twenty-six thousand, one hundred forty-two".