140533442 has 16 divisors (see below), whose sum is σ = 243819072. Its totient is φ = 59502480.

The previous prime is 140533433. The next prime is 140533453. The reversal of 140533442 is 244335041.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 59309 + ... + 61632.

It is an arithmetic number, because the mean of its divisors is an integer number (15238692).

Almost surely, 2^140533442 is an apocalyptic number.

140533442 is a deficient number, since it is larger than the sum of its proper divisors (103285630).

140533442 is a wasteful number, since it uses less digits than its factorization.

140533442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121033.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 140533442 is about 11854.6801728263. The cubic root of 140533442 is about 519.9080730003.

Adding to 140533442 its reverse (244335041), we get a palindrome (384868483).

The spelling of 140533442 in words is "one hundred forty million, five hundred thirty-three thousand, four hundred forty-two".