140252529 has 16 divisors (see below), whose sum is σ = 189120960. Its totient is φ = 92448960.

The previous prime is 140252501. The next prime is 140252569. The reversal of 140252529 is 925252041.

It is not a de Polignac number, because 140252529 - 2¹³ = 140244337 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140252496 and 140252505.

It is not an unprimeable number, because it can be changed into a prime (140252569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131659 + ... + 132719.

It is an arithmetic number, because the mean of its divisors is an integer number (11820060).

Almost surely, 2^140252529 is an apocalyptic number.

It is an amenable number.

140252529 is a deficient number, since it is larger than the sum of its proper divisors (48868431).

140252529 is a wasteful number, since it uses less digits than its factorization.

140252529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 140252529 is about 11842.8260563094. The cubic root of 140252529 is about 519.5614263107.

The spelling of 140252529 in words is "one hundred forty million, two hundred fifty-two thousand, five hundred twenty-nine".