88069139 has 12 divisors (see below), whose sum is σ = 94482864. Its totient is φ = 81933984.

The previous prime is 88069133. The next prime is 88069141. The reversal of 88069139 is 93196088.

It is a de Polignac number, because none of the positive numbers 2^k-88069139 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 88069139.

It is not an unprimeable number, because it can be changed into a prime (88069133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30089 + ... + 32885.

It is an arithmetic number, because the mean of its divisors is an integer number (7873572).

Almost surely, 2^88069139 is an apocalyptic number.

88069139 is a deficient number, since it is larger than the sum of its proper divisors (6413725).

88069139 is a wasteful number, since it uses less digits than its factorization.

88069139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894 (or 2857 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 88069139 is about 9384.5159171904. The cubic root of 88069139 is about 444.9124753168.

The spelling of 88069139 in words is "eighty-eight million, sixty-nine thousand, one hundred thirty-nine".