470138539 has 16 divisors (see below), whose sum is σ = 521147200. Its totient is φ = 421303680.

The previous prime is 470138497. The next prime is 470138569. The reversal of 470138539 is 935831074.

It is a cyclic number.

It is not a de Polignac number, because 470138539 - 2⁷ = 470138411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (470138569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302737 + ... + 304285.

It is an arithmetic number, because the mean of its divisors is an integer number (32571700).

Almost surely, 2^470138539 is an apocalyptic number.

470138539 is a deficient number, since it is larger than the sum of its proper divisors (51008661).

470138539 is a wasteful number, since it uses less digits than its factorization.

470138539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 470138539 is about 21682.6783170345. The cubic root of 470138539 is about 777.5743949932.

The spelling of 470138539 in words is "four hundred seventy million, one hundred thirty-eight thousand, five hundred thirty-nine".