140632633 has 8 divisors (see below), whose sum is σ = 143133696. Its totient is φ = 138138000.

The previous prime is 140632589. The next prime is 140632643. The reversal of 140632633 is 336236041.

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

It is a cyclic number.

It is not a de Polignac number, because 140632633 - 2²⁵ = 107078201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140632643) 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, 69210 + ... + 71212.

It is an arithmetic number, because the mean of its divisors is an integer number (17891712).

Almost surely, 2^140632633 is an apocalyptic number.

It is an amenable number.

140632633 is a deficient number, since it is larger than the sum of its proper divisors (2501063).

140632633 is a wasteful number, since it uses less digits than its factorization.

140632633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 140632633 is about 11858.8630568027. The cubic root of 140632633 is about 520.0303643512.

Adding to 140632633 its reverse (336236041), we get a palindrome (476868674).

The spelling of 140632633 in words is "one hundred forty million, six hundred thirty-two thousand, six hundred thirty-three".