140033028 has 24 divisors (see below), whose sum is σ = 326935840. Its totient is φ = 46650240.

The previous prime is 140033027. The next prime is 140033041. The reversal of 140033028 is 820330041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140032995 and 140033013.

It is not an unprimeable number, because it can be changed into a prime (140033027) 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, 35583 + ... + 39321.

Almost surely, 2^140033028 is an apocalyptic number.

It is an amenable number.

140033028 is an abundant number, since it is smaller than the sum of its proper divisors (186902812).

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

140033028 is a wasteful number, since it uses less digits than its factorization.

140033028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6867 (or 6865 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 140033028 is about 11833.5551716295. Note that the first 3 decimals coincide. The cubic root of 140033028 is about 519.2902397591.

Adding to 140033028 its reverse (820330041), we get a palindrome (960363069).

The spelling of 140033028 in words is "one hundred forty million, thirty-three thousand, twenty-eight".