69138012 has 12 divisors (see below), whose sum is σ = 161322056. Its totient is φ = 23046000.

The previous prime is 69137993. The next prime is 69138053. The reversal of 69138012 is 21083196.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2880739 + ... + 2880762.

Almost surely, 2^69138012 is an apocalyptic number.

It is an amenable number.

69138012 is an abundant number, since it is smaller than the sum of its proper divisors (92184044).

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

69138012 is a wasteful number, since it uses less digits than its factorization.

69138012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761508 (or 5761506 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 69138012 is about 8314.9270592110. The cubic root of 69138012 is about 410.4298723549.

The spelling of 69138012 in words is "sixty-nine million, one hundred thirty-eight thousand, twelve".