140742633 has 8 divisors (see below), whose sum is σ = 197533600. Its totient is φ = 88890048.

The previous prime is 140742631. The next prime is 140742689. The reversal of 140742633 is 336247041.

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

It is not a de Polignac number, because 140742633 - 2¹ = 140742631 is a prime.

It is the 11864-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140742633.

It is not an unprimeable number, because it can be changed into a prime (140742631) by changing a digit.

It is a nontrivial repunit in base 11863.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234528 + ... + 1234641.

It is an arithmetic number, because the mean of its divisors is an integer number (24691700).

Almost surely, 2^140742633 is an apocalyptic number.

It is an amenable number.

140742633 is a deficient number, since it is larger than the sum of its proper divisors (56790967).

140742633 is a wasteful number, since it uses less digits than its factorization.

140742633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469191.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 140742633 is about 11863.5000316096. The cubic root of 140742633 is about 520.1659147586.

Adding to 140742633 its reverse (336247041), we get a palindrome (476989674).

The spelling of 140742633 in words is "one hundred forty million, seven hundred forty-two thousand, six hundred thirty-three".