140174329 has 2 divisors, whose sum is σ = 140174330. Its totient is φ = 140174328.

The previous prime is 140174317. The next prime is 140174339. The reversal of 140174329 is 923471041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121881600 + 18292729 = 11040^2 + 4277^2 .

It is a cyclic number.

It is not a de Polignac number, because 140174329 - 2⁵ = 140174297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140174329.

It is not a weakly prime, because it can be changed into another prime (140174339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70087164 + 70087165.

It is an arithmetic number, because the mean of its divisors is an integer number (70087165).

Almost surely, 2^140174329 is an apocalyptic number.

It is an amenable number.

140174329 is a deficient number, since it is larger than the sum of its proper divisors (1).

140174329 is an equidigital number, since it uses as much as digits as its factorization.

140174329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 140174329 is about 11839.5240191487. The cubic root of 140174329 is about 519.4648451476.

The spelling of 140174329 in words is "one hundred forty million, one hundred seventy-four thousand, three hundred twenty-nine".