30140069 has 2 divisors, whose sum is σ = 30140070. Its totient is φ = 30140068.

The previous prime is 30140059. The next prime is 30140101. The reversal of 30140069 is 96004103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24137569 + 6002500 = 4913^2 + 2450^2 .

It is a cyclic number.

It is not a de Polignac number, because 30140069 - 2¹⁶ = 30074533 is a prime.

It is a super-2 number, since 2×30140069² = 1816847518649522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30140059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15070034 + 15070035.

It is an arithmetic number, because the mean of its divisors is an integer number (15070035).

Almost surely, 2^30140069 is an apocalyptic number.

It is an amenable number.

30140069 is a deficient number, since it is larger than the sum of its proper divisors (1).

30140069 is an equidigital number, since it uses as much as digits as its factorization.

30140069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 30140069 is about 5489.9971766842. The cubic root of 30140069 is about 311.2060854265.

The spelling of 30140069 in words is "thirty million, one hundred forty thousand, sixty-nine".