507944136 has 32 divisors (see below), whose sum is σ = 1451269440. Its totient is φ = 145126848.

The previous prime is 507944131. The next prime is 507944137. The reversal of 507944136 is 631449705.

It is a junction number, because it is equal to n+sod(n) for n = 507944094 and 507944103.

It is not an unprimeable number, because it can be changed into a prime (507944131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511571 + ... + 1511906.

It is an arithmetic number, because the mean of its divisors is an integer number (45352170).

Almost surely, 2^507944136 is an apocalyptic number.

507944136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

507944136 is an abundant number, since it is smaller than the sum of its proper divisors (943325304).

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

507944136 is a wasteful number, since it uses less digits than its factorization.

507944136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023493 (or 3023489 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 507944136 is about 22537.6160229959. The cubic root of 507944136 is about 797.8819682088.

The spelling of 507944136 in words is "five hundred seven million, nine hundred forty-four thousand, one hundred thirty-six".