652138 has 8 divisors (see below), whose sum is σ = 1001088. Its totient is φ = 318444.

The previous prime is 652121. The next prime is 652153. The reversal of 652138 is 831256.

It is a happy number.

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

It is an unprimeable number.

652138 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3706 + ... + 3877.

It is an arithmetic number, because the mean of its divisors is an integer number (125136).

2⁶⁵²¹³⁸ is an apocalyptic number.

652138 is a deficient number, since it is larger than the sum of its proper divisors (348950).

652138 is a wasteful number, since it uses less digits than its factorization.

652138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7628.

The product of its digits is 1440, while the sum is 25.

The square root of 652138 is about 807.5506176086. The cubic root of 652138 is about 86.7187819360.

The spelling of 652138 in words is "six hundred fifty-two thousand, one hundred thirty-eight".