140532249 has 16 divisors (see below), whose sum is σ = 220135104. Its totient is φ = 78619200.

The previous prime is 140532247. The next prime is 140532263. The reversal of 140532249 is 942235041.

It is not a de Polignac number, because 140532249 - 2¹ = 140532247 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140532247) 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, 163362 + ... + 164219.

It is an arithmetic number, because the mean of its divisors is an integer number (13758444).

Almost surely, 2^140532249 is an apocalyptic number.

It is an amenable number.

140532249 is a deficient number, since it is larger than the sum of its proper divisors (79602855).

140532249 is a wasteful number, since it uses less digits than its factorization.

140532249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327608.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 140532249 is about 11854.6298550398. The cubic root of 140532249 is about 519.9066018153.

The spelling of 140532249 in words is "one hundred forty million, five hundred thirty-two thousand, two hundred forty-nine".