140147057 has 2 divisors, whose sum is σ = 140147058. Its totient is φ = 140147056.

The previous prime is 140147039. The next prime is 140147069. The reversal of 140147057 is 750741041.

140147057 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., 127215841 + 12931216 = 11279^2 + 3596^2 .

It is an emirp because it is prime and its reverse (750741041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140147057 - 2⁸ = 140146801 is a prime.

It is a super-2 number, since 2×140147057² = 39282395171522498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140147017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70073528 + 70073529.

It is an arithmetic number, because the mean of its divisors is an integer number (70073529).

Almost surely, 2^140147057 is an apocalyptic number.

It is an amenable number.

140147057 is a deficient number, since it is larger than the sum of its proper divisors (1).

140147057 is an equidigital number, since it uses as much as digits as its factorization.

140147057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 140147057 is about 11838.3722276333. The cubic root of 140147057 is about 519.4311543280.

Adding to 140147057 its reverse (750741041), we get a palindrome (890888098).

The spelling of 140147057 in words is "one hundred forty million, one hundred forty-seven thousand, fifty-seven".