140388133 has 2 divisors, whose sum is σ = 140388134. Its totient is φ = 140388132.

The previous prime is 140388121. The next prime is 140388137. The reversal of 140388133 is 331883041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137898049 + 2490084 = 11743^2 + 1578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140388133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140388095 and 140388104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140388137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70194066 + 70194067.

It is an arithmetic number, because the mean of its divisors is an integer number (70194067).

Almost surely, 2^140388133 is an apocalyptic number.

It is an amenable number.

140388133 is a deficient number, since it is larger than the sum of its proper divisors (1).

140388133 is an equidigital number, since it uses as much as digits as its factorization.

140388133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 140388133 is about 11848.5498268775. The cubic root of 140388133 is about 519.7288194024.

The spelling of 140388133 in words is "one hundred forty million, three hundred eighty-eight thousand, one hundred thirty-three".