140985633 has 16 divisors (see below), whose sum is σ = 191658240. Its totient is φ = 92160144.

The previous prime is 140985631. The next prime is 140985667. The reversal of 140985633 is 336589041.

It is not a de Polignac number, because 140985633 - 2¹ = 140985631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140985591 and 140985600.

It is not an unprimeable number, because it can be changed into a prime (140985631) 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, 91810 + ... + 93332.

It is an arithmetic number, because the mean of its divisors is an integer number (11978640).

Almost surely, 2^140985633 is an apocalyptic number.

It is an amenable number.

140985633 is a deficient number, since it is larger than the sum of its proper divisors (50672607).

140985633 is a wasteful number, since it uses less digits than its factorization.

140985633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 140985633 is about 11873.7371117942. The cubic root of 140985633 is about 520.4651077811.

The spelling of 140985633 in words is "one hundred forty million, nine hundred eighty-five thousand, six hundred thirty-three".