140063557 has 2 divisors, whose sum is σ = 140063558. Its totient is φ = 140063556.

The previous prime is 140063507. The next prime is 140063569. The reversal of 140063557 is 755360041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86099841 + 53963716 = 9279^2 + 7346^2 .

It is a cyclic number.

It is not a de Polignac number, because 140063557 - 2¹⁵ = 140030789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140063507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70031778 + 70031779.

It is an arithmetic number, because the mean of its divisors is an integer number (70031779).

Almost surely, 2^140063557 is an apocalyptic number.

It is an amenable number.

140063557 is a deficient number, since it is larger than the sum of its proper divisors (1).

140063557 is an equidigital number, since it uses as much as digits as its factorization.

140063557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 140063557 is about 11834.8450348959. The cubic root of 140063557 is about 519.3279743326.

The spelling of 140063557 in words is "one hundred forty million, sixty-three thousand, five hundred fifty-seven".