140146577 has 2 divisors, whose sum is σ = 140146578. Its totient is φ = 140146576.

The previous prime is 140146537. The next prime is 140146627. The reversal of 140146577 is 775641041.

It is a happy number.

140146577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112699456 + 27447121 = 10616^2 + 5239^2 .

It is a cyclic number.

It is not a de Polignac number, because 140146577 - 2¹² = 140142481 is a prime.

It is a super-4 number, since 4×140146577⁴ (a number of 34 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (140146507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70073288 + 70073289.

It is an arithmetic number, because the mean of its divisors is an integer number (70073289).

Almost surely, 2^140146577 is an apocalyptic number.

It is an amenable number.

140146577 is a deficient number, since it is larger than the sum of its proper divisors (1).

140146577 is an equidigital number, since it uses as much as digits as its factorization.

140146577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 140146577 is about 11838.3519545585. The cubic root of 140146577 is about 519.4305613146.

The spelling of 140146577 in words is "one hundred forty million, one hundred forty-six thousand, five hundred seventy-seven".