140606252 has 12 divisors (see below), whose sum is σ = 260535240. Its totient is φ = 66167616.

The previous prime is 140606243. The next prime is 140606273. The reversal of 140606252 is 252606041.

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 3 ways as a sum of consecutive naturals, for example, 1033802 + ... + 1033937.

It is an arithmetic number, because the mean of its divisors is an integer number (21711270).

Almost surely, 2^140606252 is an apocalyptic number.

It is an amenable number.

140606252 is a deficient number, since it is larger than the sum of its proper divisors (119928988).

140606252 is a wasteful number, since it uses less digits than its factorization.

140606252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067760 (or 2067758 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 140606252 is about 11857.7507141953. The cubic root of 140606252 is about 519.9978451587.

It can be divided in two parts, 14060625 and 2, that multiplied together give a triangular number (28121250 = T₇₄₉₉).

The spelling of 140606252 in words is "one hundred forty million, six hundred six thousand, two hundred fifty-two".