47106139 has 8 divisors (see below), whose sum is σ = 49416192. Its totient is φ = 44817960.

The previous prime is 47106119. The next prime is 47106151. The reversal of 47106139 is 93160174.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 47106139 - 2⁷ = 47106011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47106139.

It is not an unprimeable number, because it can be changed into a prime (47106109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969 + ... + 9754.

It is an arithmetic number, because the mean of its divisors is an integer number (6177024).

Almost surely, 2^47106139 is an apocalyptic number.

47106139 is a deficient number, since it is larger than the sum of its proper divisors (2310053).

47106139 is a wasteful number, since it uses less digits than its factorization.

47106139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10937.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 47106139 is about 6863.3912171754. The cubic root of 47106139 is about 361.1540613599.

The spelling of 47106139 in words is "forty-seven million, one hundred six thousand, one hundred thirty-nine".