140917828 has 12 divisors (see below), whose sum is σ = 261112572. Its totient is φ = 66314240.

The previous prime is 140917807. The next prime is 140917841. The reversal of 140917828 is 828719041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 130690624 + 10227204 = 11432^2 + 3198^2 .

It is an unprimeable number.

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, 1036093 + ... + 1036228.

It is an arithmetic number, because the mean of its divisors is an integer number (21759381).

Almost surely, 2^140917828 is an apocalyptic number.

It is an amenable number.

140917828 is a deficient number, since it is larger than the sum of its proper divisors (120194744).

140917828 is a wasteful number, since it uses less digits than its factorization.

140917828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072342 (or 2072340 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 140917828 is about 11870.8815173937. The cubic root of 140917828 is about 520.3816576809.

The spelling of 140917828 in words is "one hundred forty million, nine hundred seventeen thousand, eight hundred twenty-eight".