140440802 has 4 divisors (see below), whose sum is σ = 210661206. Its totient is φ = 70220400.

The previous prime is 140440801. The next prime is 140440871. The reversal of 140440802 is 208044041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 86843761 + 53597041 = 9319^2 + 7321^2 .

It is not an unprimeable number, because it can be changed into a prime (140440801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35110199 + ... + 35110202.

Almost surely, 2^140440802 is an apocalyptic number.

140440802 is a deficient number, since it is larger than the sum of its proper divisors (70220404).

140440802 is an equidigital number, since it uses as much as digits as its factorization.

140440802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70220403.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 140440802 is about 11850.7722111262. The cubic root of 140440802 is about 519.7938063166.

Adding to 140440802 its reverse (208044041), we get a palindrome (348484843).

The spelling of 140440802 in words is "one hundred forty million, four hundred forty thousand, eight hundred two".