140133436 has 24 divisors (see below), whose sum is σ = 259871360. Its totient is φ = 65934000.

The previous prime is 140133421. The next prime is 140133463. The reversal of 140133436 is 634331041.

140133436 = 311² + 312² + ... + 766².

It is a happy number.

140133436 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140133436.

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 7 ways as a sum of consecutive naturals, for example, 5371 + ... + 17581.

Almost surely, 2^140133436 is an apocalyptic number.

It is an amenable number.

140133436 is a deficient number, since it is larger than the sum of its proper divisors (119737924).

140133436 is a wasteful number, since it uses less digits than its factorization.

140133436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12385 (or 12383 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 140133436 is about 11837.7969234144. The cubic root of 140133436 is about 519.4143258120.

Adding to 140133436 its reverse (634331041), we get a palindrome (774464477).

The spelling of 140133436 in words is "one hundred forty million, one hundred thirty-three thousand, four hundred thirty-six".