527836138 has 8 divisors (see below), whose sum is σ = 793128132. Its totient is φ = 263460096.

The previous prime is 527836129. The next prime is 527836139. The reversal of 527836138 is 831638725.

It can be written as a sum of positive squares in 2 ways, for example, as 492706809 + 35129329 = 22197^2 + 5927^2 .

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

It is a super-2 number, since 2×527836138² = 557221977157510088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 527836094 and 527836103.

It is not an unprimeable number, because it can be changed into a prime (527836139) 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, 227545 + ... + 229852.

Almost surely, 2^527836138 is an apocalyptic number.

527836138 is a deficient number, since it is larger than the sum of its proper divisors (265291994).

527836138 is a wasteful number, since it uses less digits than its factorization.

527836138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457976.

The product of its digits is 241920, while the sum is 43.

The square root of 527836138 is about 22974.6847203612. The cubic root of 527836138 is about 808.1643836461.

The spelling of 527836138 in words is "five hundred twenty-seven million, eight hundred thirty-six thousand, one hundred thirty-eight".