140253601 has 2 divisors, whose sum is σ = 140253602. Its totient is φ = 140253600.

The previous prime is 140253557. The next prime is 140253623. The reversal of 140253601 is 106352041.

It is an a-pointer prime, because the next prime (140253623) can be obtained adding 140253601 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101203600 + 39050001 = 10060^2 + 6249^2 .

It is a cyclic number.

It is not a de Polignac number, because 140253601 - 2⁷ = 140253473 is a prime.

It is not a weakly prime, because it can be changed into another prime (140253691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70126800 + 70126801.

It is an arithmetic number, because the mean of its divisors is an integer number (70126801).

Almost surely, 2^140253601 is an apocalyptic number.

It is an amenable number.

140253601 is a deficient number, since it is larger than the sum of its proper divisors (1).

140253601 is an equidigital number, since it uses as much as digits as its factorization.

140253601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 140253601 is about 11842.8713156903. The cubic root of 140253601 is about 519.5627500383.

The spelling of 140253601 in words is "one hundred forty million, two hundred fifty-three thousand, six hundred one".