140055541 has 2 divisors, whose sum is σ = 140055542. Its totient is φ = 140055540.

The previous prime is 140055497. The next prime is 140055547. The reversal of 140055541 is 145550041.

It is a happy number.

140055541 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., 137007025 + 3048516 = 11705^2 + 1746^2 .

It is a cyclic number.

It is not a de Polignac number, because 140055541 - 2⁹ = 140055029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140055547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70027770 + 70027771.

It is an arithmetic number, because the mean of its divisors is an integer number (70027771).

Almost surely, 2^140055541 is an apocalyptic number.

It is an amenable number.

140055541 is a deficient number, since it is larger than the sum of its proper divisors (1).

140055541 is an equidigital number, since it uses as much as digits as its factorization.

140055541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 140055541 is about 11834.5063690887. The cubic root of 140055541 is about 519.3180668960.

The spelling of 140055541 in words is "one hundred forty million, fifty-five thousand, five hundred forty-one".