140000069 has 8 divisors (see below), whose sum is σ = 153414912. Its totient is φ = 126699840.

The previous prime is 140000059. The next prime is 140000089. The reversal of 140000069 is 960000041.

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 140000069 - 2⁴ = 140000053 is a prime.

It is a super-2 number, since 2×140000069² = 39200038640009522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140000069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140000059) 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, 26084 + ... + 30989.

It is an arithmetic number, because the mean of its divisors is an integer number (19176864).

Almost surely, 2^140000069 is an apocalyptic number.

It is an amenable number.

140000069 is a deficient number, since it is larger than the sum of its proper divisors (13414843).

140000069 is a wasteful number, since it uses less digits than its factorization.

140000069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57307.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 140000069 is about 11832.1624819811. The cubic root of 140000069 is about 519.2494954904.

The spelling of 140000069 in words is "one hundred forty million, sixty-nine", and thus it is an aban number.