140898757 has 2 divisors, whose sum is σ = 140898758. Its totient is φ = 140898756.

The previous prime is 140898749. The next prime is 140898763. The reversal of 140898757 is 757898041.

140898757 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., 133494916 + 7403841 = 11554^2 + 2721^2 .

It is a cyclic number.

It is not a de Polignac number, because 140898757 - 2³ = 140898749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140898757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140898767) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70449378 + 70449379.

It is an arithmetic number, because the mean of its divisors is an integer number (70449379).

Almost surely, 2^140898757 is an apocalyptic number.

It is an amenable number.

140898757 is a deficient number, since it is larger than the sum of its proper divisors (1).

140898757 is an equidigital number, since it uses as much as digits as its factorization.

140898757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 140898757 is about 11870.0782221517. The cubic root of 140898757 is about 520.3581814786.

The spelling of 140898757 in words is "one hundred forty million, eight hundred ninety-eight thousand, seven hundred fifty-seven".