140839133 has 2 divisors, whose sum is σ = 140839134. Its totient is φ = 140839132.

The previous prime is 140839123. The next prime is 140839157. The reversal of 140839133 is 331938041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132756484 + 8082649 = 11522^2 + 2843^2 .

It is a cyclic number.

It is not a de Polignac number, because 140839133 - 2¹⁰ = 140838109 is a prime.

It is a super-2 number, since 2×140839133² = 39671322768383378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140839133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140839103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70419566 + 70419567.

It is an arithmetic number, because the mean of its divisors is an integer number (70419567).

Almost surely, 2^140839133 is an apocalyptic number.

It is an amenable number.

140839133 is a deficient number, since it is larger than the sum of its proper divisors (1).

140839133 is an equidigital number, since it uses as much as digits as its factorization.

140839133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 140839133 is about 11867.5664312444. The cubic root of 140839133 is about 520.2847712885.

The spelling of 140839133 in words is "one hundred forty million, eight hundred thirty-nine thousand, one hundred thirty-three".