140847249 has 8 divisors (see below), whose sum is σ = 187885440. Its totient is φ = 93853616.

The previous prime is 140847233. The next prime is 140847277. The reversal of 140847249 is 942748041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140847249 - 2⁴ = 140847233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140847349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2889 + ... + 17030.

It is an arithmetic number, because the mean of its divisors is an integer number (23485680).

Almost surely, 2^140847249 is an apocalyptic number.

It is an amenable number.

140847249 is a deficient number, since it is larger than the sum of its proper divisors (47038191).

140847249 is a wasteful number, since it uses less digits than its factorization.

140847249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22279.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 140847249 is about 11867.9083666837. The cubic root of 140847249 is about 520.2947650783.

The spelling of 140847249 in words is "one hundred forty million, eight hundred forty-seven thousand, two hundred forty-nine".