140249152 has 14 divisors (see below), whose sum is σ = 278307038. Its totient is φ = 70124544.

The previous prime is 140249111. The next prime is 140249189. The reversal of 140249152 is 251942041.

It can be written as a sum of positive squares in only one way, i.e., 129595456 + 10653696 = 11384^2 + 3264^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140249152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095633 + ... + 1095760.

Almost surely, 2^140249152 is an apocalyptic number.

It is an amenable number.

140249152 is a deficient number, since it is larger than the sum of its proper divisors (138057886).

140249152 is an equidigital number, since it uses as much as digits as its factorization.

140249152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191405 (or 2191395 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 140249152 is about 11842.6834796848. The cubic root of 140249152 is about 519.5572562777.

The spelling of 140249152 in words is "one hundred forty million, two hundred forty-nine thousand, one hundred fifty-two".