602138534 has 8 divisors (see below), whose sum is σ = 906400200. Its totient is φ = 300005136.

The previous prime is 602138531. The next prime is 602138539. The reversal of 602138534 is 435831206.

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

It is a self number, because there is not a number n which added to its sum of digits gives 602138534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (602138531) 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, 531359 + ... + 532490.

It is an arithmetic number, because the mean of its divisors is an integer number (113300025).

Almost surely, 2^602138534 is an apocalyptic number.

602138534 is a deficient number, since it is larger than the sum of its proper divisors (304261666).

602138534 is a wasteful number, since it uses less digits than its factorization.

602138534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064134.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 602138534 is about 24538.5112425347. The cubic root of 602138534 is about 844.4335379260.

The spelling of 602138534 in words is "six hundred two million, one hundred thirty-eight thousand, five hundred thirty-four".