140312002 has 8 divisors (see below), whose sum is σ = 210695436. Its totient is φ = 70080192.

The previous prime is 140311981. The next prime is 140312027. The reversal of 140312002 is 200213041.

It can be written as a sum of positive squares in 2 ways, for example, as 99620361 + 40691641 = 9981^2 + 6379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35563 + ... + 39310.

Almost surely, 2^140312002 is an apocalyptic number.

140312002 is a deficient number, since it is larger than the sum of its proper divisors (70383434).

140312002 is an equidigital number, since it uses as much as digits as its factorization.

140312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75812.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 140312002 is about 11845.3367195703. The cubic root of 140312002 is about 519.6348546007.

Adding to 140312002 its reverse (200213041), we get a palindrome (340525043).

The spelling of 140312002 in words is "one hundred forty million, three hundred twelve thousand, two".