140613469 has 2 divisors, whose sum is σ = 140613470. Its totient is φ = 140613468.

The previous prime is 140613419. The next prime is 140613497. The reversal of 140613469 is 964316041.

140613469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140422500 + 190969 = 11850^2 + 437^2 .

It is a cyclic number.

It is not a de Polignac number, because 140613469 - 2¹⁹ = 140089181 is a prime.

It is a super-2 number, since 2×140613469² = 39544295328427922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140613419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70306734 + 70306735.

It is an arithmetic number, because the mean of its divisors is an integer number (70306735).

Almost surely, 2^140613469 is an apocalyptic number.

It is an amenable number.

140613469 is a deficient number, since it is larger than the sum of its proper divisors (1).

140613469 is an equidigital number, since it uses as much as digits as its factorization.

140613469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 140613469 is about 11858.0550260150. The cubic root of 140613469 is about 520.0067417765.

The spelling of 140613469 in words is "one hundred forty million, six hundred thirteen thousand, four hundred sixty-nine".