140638848 has 64 divisors (see below), whose sum is σ = 426947520. Its totient is φ = 40181760.

The previous prime is 140638837. The next prime is 140638867. The reversal of 140638848 is 848836041.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (42).

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 7 ways as a sum of consecutive naturals, for example, 23473 + ... + 28848.

It is an arithmetic number, because the mean of its divisors is an integer number (6671055).

Almost surely, 2^140638848 is an apocalyptic number.

It is an amenable number.

140638848 is an abundant number, since it is smaller than the sum of its proper divisors (286308672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140638848 is an equidigital number, since it uses as much as digits as its factorization.

140638848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52345 (or 52333 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 140638848 is about 11859.1250942049. The cubic root of 140638848 is about 520.0380248328.

The spelling of 140638848 in words is "one hundred forty million, six hundred thirty-eight thousand, eight hundred forty-eight".