140370253 has 2 divisors, whose sum is σ = 140370254. Its totient is φ = 140370252.

The previous prime is 140370227. The next prime is 140370277. The reversal of 140370253 is 352073041.

140370253 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., 98664489 + 41705764 = 9933^2 + 6458^2 .

It is a cyclic number.

It is not a de Polignac number, because 140370253 - 2⁹ = 140369741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140370653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70185126 + 70185127.

It is an arithmetic number, because the mean of its divisors is an integer number (70185127).

Almost surely, 2^140370253 is an apocalyptic number.

It is an amenable number.

140370253 is a deficient number, since it is larger than the sum of its proper divisors (1).

140370253 is an equidigital number, since it uses as much as digits as its factorization.

140370253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 140370253 is about 11847.7952801355. The cubic root of 140370253 is about 519.7067540383.

The spelling of 140370253 in words is "one hundred forty million, three hundred seventy thousand, two hundred fifty-three".