140436633 has 8 divisors (see below), whose sum is σ = 188284096. Its totient is φ = 93106800.

The previous prime is 140436631. The next prime is 140436661. The reversal of 140436633 is 336634041.

140436633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140436633 - 2¹ = 140436631 is a prime.

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 140436633.

It is not an unprimeable number, because it can be changed into a prime (140436631) 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, 128773 + ... + 129858.

It is an arithmetic number, because the mean of its divisors is an integer number (23535512).

Almost surely, 2^140436633 is an apocalyptic number.

It is an amenable number.

140436633 is a deficient number, since it is larger than the sum of its proper divisors (47847463).

140436633 is a wasteful number, since it uses less digits than its factorization.

140436633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258815.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 140436633 is about 11850.5963141101. The cubic root of 140436633 is about 519.7886628878.

The spelling of 140436633 in words is "one hundred forty million, four hundred thirty-six thousand, six hundred thirty-three".