140202036 has 48 divisors (see below), whose sum is σ = 391451200. Its totient is φ = 43138656.

The previous prime is 140202019. The next prime is 140202047. The reversal of 140202036 is 630202041.

It is a happy number.

It is a super-2 number, since 2×140202036² = 39313221797090592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 48526 + ... + 51333.

Almost surely, 2^140202036 is an apocalyptic number.

It is an amenable number.

140202036 is an abundant number, since it is smaller than the sum of its proper divisors (251249164).

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

140202036 is a wasteful number, since it uses less digits than its factorization.

140202036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99885 (or 99877 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140202036 is about 11840.6940674945. The cubic root of 140202036 is about 519.4990688755.

Adding to 140202036 its reverse (630202041), we get a palindrome (770404077).

The spelling of 140202036 in words is "one hundred forty million, two hundred two thousand, thirty-six".