514136728 has 16 divisors (see below), whose sum is σ = 1101721680. Its totient is φ = 220344288.

The previous prime is 514136671. The next prime is 514136743. The reversal of 514136728 is 827631415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4590451 + ... + 4590562.

It is an arithmetic number, because the mean of its divisors is an integer number (68857605).

Almost surely, 2^514136728 is an apocalyptic number.

It is an amenable number.

514136728 is an abundant number, since it is smaller than the sum of its proper divisors (587584952).

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

514136728 is a wasteful number, since it uses less digits than its factorization.

514136728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9181026 (or 9181022 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 514136728 is about 22674.5833037787. The cubic root of 514136728 is about 801.1113346210. Note that the first 3 decimals are identical.

The spelling of 514136728 in words is "five hundred fourteen million, one hundred thirty-six thousand, seven hundred twenty-eight".