1408140002 has 8 divisors (see below), whose sum is σ = 2112533676. Its totient is φ = 703962112.

The previous prime is 1408139981. The next prime is 1408140023. The reversal of 1408140002 is 2000418041.

It is an interprime number because it is at equal distance from previous prime (1408139981) and next prime (1408140023).

It can be written as a sum of positive squares in 2 ways, for example, as 1058786521 + 349353481 = 32539^2 + 18691^2 .

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, 36503 + ... + 64410.

Almost surely, 2^1408140002 is an apocalyptic number.

1408140002 is a deficient number, since it is larger than the sum of its proper divisors (704393674).

1408140002 is a wasteful number, since it uses less digits than its factorization.

1408140002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107892.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1408140002 is about 37525.1915651339. The cubic root of 1408140002 is about 1120.8528798103.

Adding to 1408140002 its reverse (2000418041), we get a palindrome (3408558043).

The spelling of 1408140002 in words is "one billion, four hundred eight million, one hundred forty thousand, two".