140982782 has 4 divisors (see below), whose sum is σ = 211474176. Its totient is φ = 70491390.

The previous prime is 140982781. The next prime is 140982817. The reversal of 140982782 is 287289041.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×140982782² = 39752289640919048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140982781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35245694 + ... + 35245697.

It is an arithmetic number, because the mean of its divisors is an integer number (52868544).

Almost surely, 2^140982782 is an apocalyptic number.

140982782 is a deficient number, since it is larger than the sum of its proper divisors (70491394).

140982782 is an equidigital number, since it uses as much as digits as its factorization.

140982782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70491393.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 140982782 is about 11873.6170563144. The cubic root of 140982782 is about 520.4615994897.

The spelling of 140982782 in words is "one hundred forty million, nine hundred eighty-two thousand, seven hundred eighty-two".