140335477 has 2 divisors, whose sum is σ = 140335478. Its totient is φ = 140335476.

The previous prime is 140335469. The next prime is 140335483. The reversal of 140335477 is 774533041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100821681 + 39513796 = 10041^2 + 6286^2 .

It is a cyclic number.

It is not a de Polignac number, because 140335477 - 2³ = 140335469 is a prime.

It is a super-2 number, since 2×140335477² = 39388092209635058, which contains 22 as substring.

It is a zygodrome in base 7.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140335457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70167738 + 70167739.

It is an arithmetic number, because the mean of its divisors is an integer number (70167739).

Almost surely, 2^140335477 is an apocalyptic number.

It is an amenable number.

140335477 is a deficient number, since it is larger than the sum of its proper divisors (1).

140335477 is an equidigital number, since it uses as much as digits as its factorization.

140335477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 140335477 is about 11846.3275744004. The cubic root of 140335477 is about 519.6638322786.

The spelling of 140335477 in words is "one hundred forty million, three hundred thirty-five thousand, four hundred seventy-seven".