140691248 has 20 divisors (see below), whose sum is σ = 272943840. Its totient is φ = 70254144.

The previous prime is 140691247. The next prime is 140691263. The reversal of 140691248 is 842196041.

It is a happy number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (140691241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7961 + ... + 18567.

It is an arithmetic number, because the mean of its divisors is an integer number (13647192).

Almost surely, 2^140691248 is an apocalyptic number.

It is an amenable number.

140691248 is a deficient number, since it is larger than the sum of its proper divisors (132252592).

140691248 is a wasteful number, since it uses less digits than its factorization.

140691248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11444 (or 11438 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 140691248 is about 11861.3341576738. The cubic root of 140691248 is about 520.1026030279.

The spelling of 140691248 in words is "one hundred forty million, six hundred ninety-one thousand, two hundred forty-eight".