140202828 has 18 divisors (see below), whose sum is σ = 354401684. Its totient is φ = 46734264.

The previous prime is 140202823. The next prime is 140202841. The reversal of 140202828 is 828202041.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (140202823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1947226 + ... + 1947297.

Almost surely, 2^140202828 is an apocalyptic number.

140202828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140202828 is an abundant number, since it is smaller than the sum of its proper divisors (214198856).

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

140202828 is a wasteful number, since it uses less digits than its factorization.

140202828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894533 (or 3894528 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 140202828 is about 11840.7275114327. The cubic root of 140202828 is about 519.5000470888.

Adding to 140202828 its reverse (828202041), we get a palindrome (968404869).

The spelling of 140202828 in words is "one hundred forty million, two hundred two thousand, eight hundred twenty-eight".