140161933 has 2 divisors, whose sum is σ = 140161934. Its totient is φ = 140161932.

The previous prime is 140161913. The next prime is 140161937. The reversal of 140161933 is 339161041.

140161933 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., 94828644 + 45333289 = 9738^2 + 6733^2 .

It is an emirp because it is prime and its reverse (339161041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140161933 - 2⁹ = 140161421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140161937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70080966 + 70080967.

It is an arithmetic number, because the mean of its divisors is an integer number (70080967).

Almost surely, 2^140161933 is an apocalyptic number.

It is an amenable number.

140161933 is a deficient number, since it is larger than the sum of its proper divisors (1).

140161933 is an equidigital number, since it uses as much as digits as its factorization.

140161933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 140161933 is about 11839.0005067995. Note that the first 3 decimals coincide. The cubic root of 140161933 is about 519.4495321297.

The spelling of 140161933 in words is "one hundred forty million, one hundred sixty-one thousand, nine hundred thirty-three".