69048139 has 8 divisors (see below), whose sum is σ = 73066752. Its totient is φ = 65114280.

The previous prime is 69048131. The next prime is 69048143. The reversal of 69048139 is 93184096.

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 69048139 - 2³ = 69048131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69048131) 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, 19509 + ... + 22774.

It is an arithmetic number, because the mean of its divisors is an integer number (9133344).

Almost surely, 2^69048139 is an apocalyptic number.

69048139 is a deficient number, since it is larger than the sum of its proper divisors (4018613).

69048139 is a wasteful number, since it uses less digits than its factorization.

69048139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42377.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 69048139 is about 8309.5209849907. The cubic root of 69048139 is about 410.2519549910.

The spelling of 69048139 in words is "sixty-nine million, forty-eight thousand, one hundred thirty-nine".