140674129 has 2 divisors, whose sum is σ = 140674130. Its totient is φ = 140674128.

The previous prime is 140674123. The next prime is 140674169. The reversal of 140674129 is 921476041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137945025 + 2729104 = 11745^2 + 1652^2 .

It is a cyclic number.

It is not a de Polignac number, because 140674129 - 2⁵ = 140674097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140674094 and 140674103.

It is not a weakly prime, because it can be changed into another prime (140674123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70337064 + 70337065.

It is an arithmetic number, because the mean of its divisors is an integer number (70337065).

Almost surely, 2^140674129 is an apocalyptic number.

It is an amenable number.

140674129 is a deficient number, since it is larger than the sum of its proper divisors (1).

140674129 is an equidigital number, since it uses as much as digits as its factorization.

140674129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 140674129 is about 11860.6125052630. The cubic root of 140674129 is about 520.0815071939.

The spelling of 140674129 in words is "one hundred forty million, six hundred seventy-four thousand, one hundred twenty-nine".