140520633 has 16 divisors (see below), whose sum is σ = 204600000. Its totient is φ = 85078080.

The previous prime is 140520629. The next prime is 140520643. The reversal of 140520633 is 336025041.

It is a happy number.

It is not a de Polignac number, because 140520633 - 2² = 140520629 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140520643) 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 15 ways as a sum of consecutive naturals, for example, 49743 + ... + 52491.

It is an arithmetic number, because the mean of its divisors is an integer number (12787500).

Almost surely, 2^140520633 is an apocalyptic number.

It is an amenable number.

140520633 is a deficient number, since it is larger than the sum of its proper divisors (64079367).

140520633 is a wasteful number, since it uses less digits than its factorization.

140520633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 140520633 is about 11854.1399097530. The cubic root of 140520633 is about 519.8922767487.

Adding to 140520633 its reverse (336025041), we get a palindrome (476545674).

The spelling of 140520633 in words is "one hundred forty million, five hundred twenty thousand, six hundred thirty-three".