140933688 has 64 divisors (see below), whose sum is σ = 415672320. Its totient is φ = 38966400.

The previous prime is 140933677. The next prime is 140933761. The reversal of 140933688 is 886339041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8323 + ... + 18738.

It is an arithmetic number, because the mean of its divisors is an integer number (6494880).

Almost surely, 2^140933688 is an apocalyptic number.

It is an amenable number.

140933688 is an abundant number, since it is smaller than the sum of its proper divisors (274738632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140933688 is a wasteful number, since it uses less digits than its factorization.

140933688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27108 (or 27104 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 140933688 is about 11871.5495197552. The cubic root of 140933688 is about 520.4011795626.

The spelling of 140933688 in words is "one hundred forty million, nine hundred thirty-three thousand, six hundred eighty-eight".