140322982 has 4 divisors (see below), whose sum is σ = 210484476. Its totient is φ = 70161490.

The previous prime is 140322953. The next prime is 140323021. The reversal of 140322982 is 289223041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 289223041 = 1873 ⋅154417.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35080744 + ... + 35080747.

It is an arithmetic number, because the mean of its divisors is an integer number (52621119).

Almost surely, 2^140322982 is an apocalyptic number.

140322982 is a deficient number, since it is larger than the sum of its proper divisors (70161494).

140322982 is an equidigital number, since it uses as much as digits as its factorization.

140322982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70161493.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 140322982 is about 11845.8001840315. The cubic root of 140322982 is about 519.6484087795.

The spelling of 140322982 in words is "one hundred forty million, three hundred twenty-two thousand, nine hundred eighty-two".