140980634 has 4 divisors (see below), whose sum is σ = 211470954. Its totient is φ = 70490316.

The previous prime is 140980633. The next prime is 140980649. The reversal of 140980634 is 436089041.

140980634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 436089041 = 1877 ⋅232333.

It can be written as a sum of positive squares in only one way, i.e., 119793025 + 21187609 = 10945^2 + 4603^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140980594 and 140980603.

It is not an unprimeable number, because it can be changed into a prime (140980633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35245157 + ... + 35245160.

Almost surely, 2^140980634 is an apocalyptic number.

140980634 is a deficient number, since it is larger than the sum of its proper divisors (70490320).

140980634 is an equidigital number, since it uses as much as digits as its factorization.

140980634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70490319.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 140980634 is about 11873.5266033306. The cubic root of 140980634 is about 520.4589562421.

The spelling of 140980634 in words is "one hundred forty million, nine hundred eighty thousand, six hundred thirty-four".