52139014 has 8 divisors (see below), whose sum is σ = 78239448. Its totient is φ = 26059200.

The previous prime is 52139011. The next prime is 52139029. The reversal of 52139014 is 41093125.

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 52139014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52139011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5974 + ... + 11830.

It is an arithmetic number, because the mean of its divisors is an integer number (9779931).

Almost surely, 2^52139014 is an apocalyptic number.

52139014 is a deficient number, since it is larger than the sum of its proper divisors (26100434).

52139014 is a wasteful number, since it uses less digits than its factorization.

52139014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10310.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 52139014 is about 7220.7350041391. The cubic root of 52139014 is about 373.5834295389.

The spelling of 52139014 in words is "fifty-two million, one hundred thirty-nine thousand, fourteen".