140182541 has 2 divisors, whose sum is σ = 140182542. Its totient is φ = 140182540.

The previous prime is 140182517. The next prime is 140182543. The reversal of 140182541 is 145281041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127012900 + 13169641 = 11270^2 + 3629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140182541 is a prime.

It is a super-2 number, since 2×140182541² = 39302289602433362, which contains 22 as substring.

Together with 140182543, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140182541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140182543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70091270 + 70091271.

It is an arithmetic number, because the mean of its divisors is an integer number (70091271).

Almost surely, 2^140182541 is an apocalyptic number.

It is an amenable number.

140182541 is a deficient number, since it is larger than the sum of its proper divisors (1).

140182541 is an equidigital number, since it uses as much as digits as its factorization.

140182541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 140182541 is about 11839.8708185520. The cubic root of 140182541 is about 519.4749890925.

The spelling of 140182541 in words is "one hundred forty million, one hundred eighty-two thousand, five hundred forty-one".