507136228 has 6 divisors (see below), whose sum is σ = 887488406. Its totient is φ = 253568112.

The previous prime is 507136207. The next prime is 507136229. The reversal of 507136228 is 822631705.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 496754944 + 10381284 = 22288^2 + 3222^2 .

It is a junction number, because it is equal to n+sod(n) for n = 507136193 and 507136202.

It is not an unprimeable number, because it can be changed into a prime (507136229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63392025 + ... + 63392032.

Almost surely, 2^507136228 is an apocalyptic number.

It is an amenable number.

507136228 is a deficient number, since it is larger than the sum of its proper divisors (380352178).

507136228 is a wasteful number, since it uses less digits than its factorization.

507136228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126784061 (or 126784059 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 507136228 is about 22519.6853441606. The cubic root of 507136228 is about 797.4587213430.

The spelling of 507136228 in words is "five hundred seven million, one hundred thirty-six thousand, two hundred twenty-eight".