140262361 has 2 divisors, whose sum is σ = 140262362. Its totient is φ = 140262360.

The previous prime is 140262307. The next prime is 140262373. The reversal of 140262361 is 163262041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105452361 + 34810000 = 10269^2 + 5900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140262361 is a prime.

It is not a weakly prime, because it can be changed into another prime (140262391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70131180 + 70131181.

It is an arithmetic number, because the mean of its divisors is an integer number (70131181).

Almost surely, 2^140262361 is an apocalyptic number.

It is an amenable number.

140262361 is a deficient number, since it is larger than the sum of its proper divisors (1).

140262361 is an equidigital number, since it uses as much as digits as its factorization.

140262361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 140262361 is about 11843.2411526575. The cubic root of 140262361 is about 519.5735668133.

The spelling of 140262361 in words is "one hundred forty million, two hundred sixty-two thousand, three hundred sixty-one".