140680082 has 4 divisors (see below), whose sum is σ = 211020126. Its totient is φ = 70340040.

The previous prime is 140680081. The next prime is 140680147. The reversal of 140680082 is 280086041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 280086041 = 37 ⋅7569893.

It can be written as a sum of positive squares in only one way, i.e., 117050761 + 23629321 = 10819^2 + 4861^2 .

It is not an unprimeable number, because it can be changed into a prime (140680081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35170019 + ... + 35170022.

Almost surely, 2^140680082 is an apocalyptic number.

140680082 is a deficient number, since it is larger than the sum of its proper divisors (70340044).

140680082 is an equidigital number, since it uses as much as digits as its factorization.

140680082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70340043.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 140680082 is about 11860.8634592933. The cubic root of 140680082 is about 520.0888433013.

The spelling of 140680082 in words is "one hundred forty million, six hundred eighty thousand, eighty-two".