140733869 has 2 divisors, whose sum is σ = 140733870. Its totient is φ = 140733868.

The previous prime is 140733851. The next prime is 140733881. The reversal of 140733869 is 968337041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70392100 + 70341769 = 8390^2 + 8387^2 .

It is a cyclic number.

It is not a de Polignac number, because 140733869 - 2¹² = 140729773 is a prime.

It is a super-2 number, since 2×140733869² = 39612043767418322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140733809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70366934 + 70366935.

It is an arithmetic number, because the mean of its divisors is an integer number (70366935).

Almost surely, 2^140733869 is an apocalyptic number.

It is an amenable number.

140733869 is a deficient number, since it is larger than the sum of its proper divisors (1).

140733869 is an equidigital number, since it uses as much as digits as its factorization.

140733869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 140733869 is about 11863.1306576300. The cubic root of 140733869 is about 520.1551176779.

The spelling of 140733869 in words is "one hundred forty million, seven hundred thirty-three thousand, eight hundred sixty-nine".