140652388 has 24 divisors (see below), whose sum is σ = 252000000. Its totient is φ = 68659968.

The previous prime is 140652377. The next prime is 140652403. The reversal of 140652388 is 883256041.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111988 + ... + 113236.

It is an arithmetic number, because the mean of its divisors is an integer number (10500000).

Almost surely, 2^140652388 is an apocalyptic number.

It is an amenable number.

140652388 is a deficient number, since it is larger than the sum of its proper divisors (111347612).

140652388 is a wasteful number, since it uses less digits than its factorization.

140652388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899 (or 1897 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 140652388 is about 11859.6959488850. The cubic root of 140652388 is about 520.0547131779.

The spelling of 140652388 in words is "one hundred forty million, six hundred fifty-two thousand, three hundred eighty-eight".