140629225 has 18 divisors (see below), whose sum is σ = 191678270. Its totient is φ = 102273600.

The previous prime is 140629213. The next prime is 140629249. The reversal of 140629225 is 522926041.

It can be written as a sum of positive squares in 3 ways, for example, as 5697769 + 134931456 = 2387^2 + 11616^2 .

It is not a de Polignac number, because 140629225 - 2⁹ = 140628713 is a prime.

It is an unprimeable number.

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 in 17 ways as a sum of consecutive naturals, for example, 20220 + ... + 26269.

Almost surely, 2^140629225 is an apocalyptic number.

It is an amenable number.

140629225 is a deficient number, since it is larger than the sum of its proper divisors (51049045).

140629225 is a wasteful number, since it uses less digits than its factorization.

140629225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46521 (or 46505 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 140629225 is about 11858.7193659349. The cubic root of 140629225 is about 520.0261636244.

The spelling of 140629225 in words is "one hundred forty million, six hundred twenty-nine thousand, two hundred twenty-five".