69139002 has 16 divisors (see below), whose sum is σ = 139108032. Its totient is φ = 22908000.

The previous prime is 69139001. The next prime is 69139009. The reversal of 69139002 is 20093196.

It is not an unprimeable number, because it can be changed into a prime (69139001) 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, 33499 + ... + 35502.

It is an arithmetic number, because the mean of its divisors is an integer number (8694252).

Almost surely, 2^69139002 is an apocalyptic number.

69139002 is an abundant number, since it is smaller than the sum of its proper divisors (69969030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69139002 is a wasteful number, since it uses less digits than its factorization.

69139002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69173.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 69139002 is about 8314.9865904883. The cubic root of 69139002 is about 410.4318313527.

It can be divided in two parts, 691 and 39002, that added together give a palindrome (39693).

The spelling of 69139002 in words is "sixty-nine million, one hundred thirty-nine thousand, two".