139283069 has 8 divisors (see below), whose sum is σ = 141755808. Its totient is φ = 136816560.

The previous prime is 139283033. The next prime is 139283071. The reversal of 139283069 is 960382931.

139283069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 139283069 - 2⁸ = 139282813 is a prime.

It is a super-2 number, since 2×139283069² = 38799546620117522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139283029) 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, 78854 + ... + 80600.

It is an arithmetic number, because the mean of its divisors is an integer number (17719476).

Almost surely, 2^139283069 is an apocalyptic number.

It is an amenable number.

139283069 is a deficient number, since it is larger than the sum of its proper divisors (2472739).

139283069 is a wasteful number, since it uses less digits than its factorization.

139283069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 139283069 is about 11801.8248165273. The cubic root of 139283069 is about 518.3615452732.

The spelling of 139283069 in words is "one hundred thirty-nine million, two hundred eighty-three thousand, sixty-nine".