140642133 has 8 divisors (see below), whose sum is σ = 193572096. Its totient is φ = 90736800.

The previous prime is 140642129. The next prime is 140642137. The reversal of 140642133 is 331246041.

It is an interprime number because it is at equal distance from previous prime (140642129) and next prime (140642137).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140642133 - 2² = 140642129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140642137) by changing a digit.

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, 756048 + ... + 756233.

It is an arithmetic number, because the mean of its divisors is an integer number (24196512).

Almost surely, 2^140642133 is an apocalyptic number.

It is an amenable number.

140642133 is a deficient number, since it is larger than the sum of its proper divisors (52929963).

140642133 is a wasteful number, since it uses less digits than its factorization.

140642133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512315.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 140642133 is about 11859.2635943384. The cubic root of 140642133 is about 520.0420737653.

Adding to 140642133 its reverse (331246041), we get a palindrome (471888174).

The spelling of 140642133 in words is "one hundred forty million, six hundred forty-two thousand, one hundred thirty-three".